Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D353398 | Rotating collectable card file | Grant L. Drake | 1994-12-13 |
| 4750883 | Device for cleaning rain gutters | — | 1988-06-14 |
| 4645615 | Fire-resistant hydraulic fluid | — | 1987-02-24 |