Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715311 | Variable volume kayak hull | — | 1987-12-29 |
| 4681060 | Kayak frame section and method | — | 1987-07-21 |
| 4665492 | Computer automated manufacturing process and system | — | 1987-05-12 |
| 4589365 | Open-cockpit kayak | — | 1986-05-20 |
| 4583480 | Kayak cockpit cover | Don Hamilton | 1986-04-22 |
| 4520747 | Breakaway kayak cockpit and method | — | 1985-06-04 |
| 4503799 | Combination flotation storage and seating structures for boats | — | 1985-03-12 |
| 4489028 | Kayak improvements | — | 1984-12-18 |
| 4480579 | Kayak with adjustable rocker | — | 1984-11-06 |
| 4440144 | Heater apparatus and method | — | 1984-04-03 |
| 4421150 | Waterproof bag device for articles | — | 1983-12-20 |
| 4407216 | Frame system for kayak | — | 1983-10-04 |
| 4247279 | Rotational molding system | — | 1981-01-27 |
| 4227272 | Supportive framework for a boat | — | 1980-10-14 |