Patent Chronicles
None of these are functionally relevant
| Patent 1 | May 16, 1972 | Filed for US Patent #3,778,074 A pair of clamps removably connected to the underside of the ski. Inventor - Woodruff Kozlow Irrelevant |
| 2 | Dec 12, 1974 | Filed for US Patent #3,973,808 Star stud Inventor - Janssen/Schauteen (lack of use) |
| 3 4 |
Dec 30, 1991 | Filed for US Patent #5,234,266 Push thru stud head Inventor - James Musselman (Canadian patent #2,086,186) Irrelevant |
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