Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700122 | Quick tightening fastener | — | 1997-12-23 |
| 5679918 | Interior armor for passenger vehicles | Peter W. Pfister | 1997-10-21 |
| 5636911 | Double drive sprocket | — | 1997-06-10 |
| 5592898 | Lane marker | — | 1997-01-14 |