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The following is a chronological history of the traction industry
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Patent Endless Track Hardened Projections Nov 1968 Tomita Fujihiko |
Patent Snowmobile Track Cleat Stud Jan 1969 P.W. Schuler |
Patent Support & Running Wheels May 1969 F. W. Bauler |
| Patent Ski Flange Dec 1969 Russell C. Westberg |
Patent Composite & Rockered Ski Dec 1969 William R. Richards/Textron |
Patent Adjustable Keel for Snowmobiles June 1970 N. D. Shorrock |
| Turf
Ski Snow Goer Sept 1970 |
Stabilizer Winning Edge SnowGoer Sept 1970 |
Skibilizer Snow Goer Nov 1970 |
| Steering
Stabilizer SNOWsports Dealer News Dec 1970 Hartzell Corp. |
FastTrac Spare Tire - Track Snowmobile Times Jan 1971 |
Patent Snow Cleat & Track Jan 1971 W. L. Robertson |
| Patent Carbide Wear Rods Jan 1971 Paul Samson |
Ski-Rail Snowmobile Times Jan 1971 Schuchmann Co. |
Skid-Prufs Snowmobile Times Feb 1971 |
| Stainless
Steel Square Bar Stock Snowmobile Times Feb 1971 Keenege Co. |
Super
Sabers - Super Studs SNOWsports Dealer News Feb 1971 Medallion Instruments |
Sno-Trac
& Ice-Trac SNOWsports Dealer News Jun 1971 Roetin Ind. |
| Patent Anti-Skid Device Sept 1971 Russell C. Westberg |
Patent Track Cleat Oct 1971 James Kilbane |
Ski-Guides TraKleat Redi-Tred Snowgoer Trade Nov 1971 |
| Carbide
Studs & Wear Rods SNOWsports Dealer News Dec 1971 Special Sports Products |
Klaws Popular Snowmobiling 1971 Kalamazoo Eng. |
Polaris
discovers Ski-doo's secret Race & Rally Fall 1971, pg 70 |
| Patent Method Of Making Ski Rail Dec 1971 Reedy/Pattullo |
Heat
Treated High Carbon Steel Snowmobile Times Jan 1972 Spanner Inc. |
Patent Traction Stud Assembly Jan 1972 Roetin Ind. |
|
Sno-Trac,
Ice-Trac & Ski-Trac SNOWsports Dealer News Jan 1972 Roetin Ind. |
Patent Rivet & Setting Tool Nortek Industries Father to push-thru studs |
Klaws SNOWsports Dealer News May 1972 Kalamazoo Eng. |
| Patent Clamp/Runners May 1972 Woody Kozlow |
SNOWsports Nov. 1972 Ski Spred Hartzell Corp. |
SNOWsports Nov. 1972 Cam Kit U-Nek Products |
| Patent Carbide Studs Dec 1972 Special Sports Products |
Super Studs SNOWsports Dealer News Dec 1972 Special Sports Products |
Klaws Sno Goer Racing Annual 1973 Kalamazoo Eng. |
|
Rhinelander, WI HODAG Jan 1973 Woody's |
Patent Carbide Channel April 1973 Reedy/Pattullo |
|
| Cobra
Ski SNOWsports Dealer News May 1973 Mechanical Industries, Inc. |
Patent Penetrating Stud Sep 1973 Micro-Belmont |
Sno-Jet Positrack Plus Fall 1973 Snowmobile International |
|
Blizzard
Klaws Fall 1973 Snowmobile International |
Kiekhaefer
Liquid Cooled SNOWsports Dealer News May 1973 |
Racers Know
Kalamazoo SNOWsports Dealer News May 1973 |
| Patent Ski Discs Dec 1973 Woody Kozlow |
Talonic
Cleats 1973 Snowgoer Racing Annual |
TRAC IT ! Snowgoer Racing Annual 1973, page 82 Roetin |
| Super Studs World Series of Snowmobiling Feb 1974 Woody's |
Patent Ski Wear Rod Sept 74 Lunzer/Ergen |
No Hot Tip Stud Race & Rally Sept 74 ARBE Products |
| Super Studs SNOWsports Dealer News Oct 1974 Special Sports Products |
Skags & Studs SNOWsports Dealer News Nov 1974 Woody's |
Patent Star Stud Dec 1974 Woody's |
| Super Studs &
Winnerunners World Series of Snowmobiling 1974 Special Sports Products |
Sno-Keel SNOWsports Dealer News Dec 1974 A. S. W. Ind. |
Eagle River Derby
Starts Selling Star Studs
1975
Woody's |
| Wear bars, Slides,
& Cleats SNOWsports Dealer News Aug 1975 Sno-Stuff |
Hot Tip - Push Thru SNOWsports Dealer News Sep 1975 ARBE Products First evidence of push thru stud |
Wear bars, Slides,
& Cleats SNOWsports Dealer News Oct 1975 Sno-Stuff |
| Eagle
River Derby Stop Selling Super Studs Jan 1976 |
Patent Ski Keel Special Sports Products Jan 1976 |
Patent Cleat Anchor James D. Jolliffe Jan 1976 |
| Trail
Flat Top Skegs Bergstrom Skegs Jun/Jul 1976 SNOWsports Dealer News |
Kalamazoo Sales
Forecast Sno Goer Trade Aug 1976 Kalamazoo Eng. |
Carbide Runners SNOWsports Dealer News Aug/Sep 1976 Roetin Ind. |
| Kalamazoo
Engineering Article SNOWsports Dealer News Aug/Sept 1976 Kalamazoo Eng. |
Roetin
Tools & Parts SNOWsports Dealer News Oct/Nov 1976 |
Runners Since
1972 Snowmobile West 1976 Roetin |
| Sur Grip Carbide Wedge SnoTrack Jan 1977 Sno-Trails, Inc. |
Eagle River
Derby Woody's Gold Digger Studs Jan 1977 |
Kicker Stud Brad Hulings SnoTrack 1977 |
| Grable
Studs SnoTrack Jan 1977 Grable & Sons |
Kicker
Stud 1977 Race & Rally Aaen Engineering |
Kalamazoo Studs SnoTrack Feb 1978 Kalamazoo Eng. |
|
Patent Kicker March 1978 Olav Aeen |
Carbide Wear Bars SnoTrack Sep 1978 Kalamazoo Eng. |
Concave
ski / Dual wear rods Twin Track Ski Dec/Jan 1979 Race and Rally, Page 68 |
|
Twin
Track Advertisement Dec/Jan 1979 Race and Rally, Page 20 |
Carbide Wear Bars SnoTrack Dec/Jan 1979 Woody's |
Studs, Carbides,
Accessories Michigan Snowmobiler Jan 1979 Woody's |
| Woody's Products Michigan Snowmobiler Feb 1979 Woody's |
Woody's Studs
& Carbides Michigan Snowmobiler Oct 1979 Woody's |
Woody's Michigan Snowmobiler Nov 1979 Woody's |
| .Kalamazoo Kup
Article Michigan Snowmobiler Jan 1980 Kalamazoo Eng. |
Woody's Control
Accessories Michigan Snowmobiler Jan 1980 Woody's |
Kalamazoo Wedge PartsUnlimited Catalog 1980 Kalamazoo Eng |
| Double Blaster PartsUnlimited Catalog 1980 Kalamazoo Eng. |
Kalamazoo Wear Bars |
Roetin Runners Roetin Literature 1982 Roetin Ind. |
| Woody's Wedge Race & Rally Winter 1982-1983 |
Drag
Master 20 Degree Angle Dual Mounting Plate Snow Goer Trade 1983 Rice Lake Mach. & Design |
Carbide Wear Bars Snowmobile Sports 1984 Woody's |
| Woody's
Accessories Race & Rally Winter 84/85 Woody's |
Superwear Carbide
Runners Snowmobile Business Dec 1985 Roetin Ind. |
Wear Bar
Comparison Article Hummer Sep 1985 Bergstrom Skegs |
| Roetin Runners Snowmobile Business Sep 1986 Roetin Ind. |
Track and Trail Snowmobile Business Sep 1986 Woody's |
Roetin runners
& studs Race & Rally Fall 1986 Roetin Ind. |
| Hot
Sellers! Parts Unlimited Snowmobile Business 1986 |
Patent Push Thru Push-Thru Snowmobile Stud Dec 1986 Lynn Anderson |
Sno-Stuff
Advertisement Snowmobile Business 1986 |
| Woody's Hooker Concept 1986 PartsUnlimited Catalog |
Woody's
Traction Snowmobiler's Race & Rally Nov/Dec 1987 Woody's |
Hot
Snow Items Parts Unlimited Snowmobile Business 1988 |
| 5/16 Top Gun Fast Trac Sept 1990 |
Roetin Masterwear Ontario Snowmobiler Oct 1990 Roetin Ind. |
Big
Foot Ski Skins Snowmobile Business 1991 |
|
First
7mm Stud Snowmobile Business February 1991 Pro-Track |
Push
Thru Studs Patent 1991 Woody's |
1/4 x 20 Header 1991 Roetin |
|
Traction Master 1992 Woody's |
Safe T Studs Rudolph's Indy Flyer 1992-93? |
Roetin
Literature 1996 Roetin Ind. |
| Roetin XPR Series Snowmobile Equipment Guide 1997 Roetin Ind. |
Roetin
Literature 1997 Roetin Ind. |
Flat-Top Runners Mod-Stock II 1998 Woody's |
| V-Trac Ski SnowTech September 1998 Recreation Dynamics |
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