Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6083062 | Portable pedal-operated paddlewheel boat | Lester A. Treloar | 2000-07-04 |
| 5838880 | Ground heating system | Mark Bruckelmyer | 1998-11-17 |
| D309123 | Snow sled | — | 1990-07-10 |
| 4889465 | Self-loading sailboat trailer | — | 1989-12-26 |