Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758291 | Compact multipurpose trailer tug | — | 2004-07-06 |
| 5253454 | Metal skin buffing fixture and structure | Don F. Carlson | 1993-10-19 |
| 5203120 | Metal skin buffing fixture and structure | Don F. Carlson | 1993-04-20 |
| 4477073 | Exercise device for boardsailing | Patricia Koch | 1984-10-16 |