Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636509 | Flywheel engine improvements | — | 1997-06-10 |
| 5282356 | Flywheel engine | — | 1994-02-01 |
| 4441290 | Glazing fastener for mounting either rigid or flexible storm windows | — | 1984-04-10 |
| 4320609 | Glazing fastener for mounting either rigid or flexible storm windows | — | 1982-03-23 |
| 4274234 | Double-wall greenhouse with flexible film walls | — | 1981-06-23 |