|
| US3982493 | 26. Juni 1975 | 28. Sept. 1976 | | Skid control mechanism for boats |
| US4004536 | 17. März 1975 | 25. Jan. 1977 | | Anti-skid boat |
| US4445452 | 19. Nov. 1981 | 1. Mai 1984 | | Hydrofoil assembly |
| US4556005 | 28. Nov. 1984 | 3. Dez. 1985 | | Boat with auxiliary steering apparatus |
| US4776295 | 6. Aug. 1987 | 11. Okt. 1988 | | Boat flaps for controlling and steering a boat operating at low speeds |
| US4811674 | 15. Okt. 1986 | 14. März 1989 | Motion Design Creations Inc. | Foil arrangement for water-borne craft |
| US5235926 | 5. Juni 1992 | 17. Aug. 1993 | | Anti-skid device for flat-bottomed boats |
