|
| US3950807 | 4 Abr 1975 | 20 Abr 1976 | | Water ski |
| US3970324 | 9 Oct 1974 | 20 Jul 1976 | American Marine Industries, Inc. | Foam-filled, cellular structural product |
| US3980312 | 29 Ene 1975 | 14 Sep 1976 | | Ski containing a coating strip on its sliding surface |
| US4065150 | 26 Ene 1976 | 27 Dic 1977 | Exxon Research and Engineering Company | Ski and method of making same |
| US4124208 | 9 May 1977 | 7 Nov 1978 | Numerical Control, Inc. | Hockey stick construction |
| US4272578 | 31 May 1979 | 9 Jun 1981 | | Ski apparatus |
| US4455037 | 4 Nov 1981 | 19 Jun 1984 | Olin Corporation | Laminated ski reinforcement members |
| US4498686 | 5 Mar 1984 | 12 Feb 1985 | Olin Corporation | Laminated ski reinforcement members |
| US4545597 | 18 Jun 1984 | 8 Oct 1985 | Olin Corporation | Reinforcing ribs in a snow ski with a wood/foam core |
| US4690850 | 6 Jun 1986 | 1 Sep 1987 | K-2 Corporation | Fiber reinforced braided ski core and method and apparatus for making same |
| US4781395 | 27 Oct 1986 | 1 Nov 1988 | Fischer Gesellschaft m.b.H. | Ski |
| US4810001 | 31 Jul 1987 | 7 Mar 1989 | Fischer Gesellschaft mbH | Ski |
| US4943030 | 8 Sep 1988 | 24 Jul 1990 | Fischer Gesellschaft m.b.H. | Ski |
| US5219667 | 12 Dic 1991 | 15 Jun 1993 | Corning Incorporated | Honeycomb structure and method of forming |
| US6790402 | 22 Ene 1999 | 14 Sep 2004 | | Method of making complex shaped articles |
