Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5967563 | Quick release for a vacuum cleaner powerhead | Gerry Lavis, Laurie G. Wilford | 1999-10-19 |
| 5685044 | Quick release for a vacuum cleaner powerhead | Gerry Lavis, Laurie G. Wilford | 1997-11-11 |
| 4693203 | Segmented boat | — | 1987-09-15 |
| 4232731 | Passive solar device for heating and cooling | Roy Kaplow | 1980-11-11 |