Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024456 | Non-hazardous side rear view mirror | — | 2000-02-15 |
| 4724863 | Flue gas seal | — | 1988-02-16 |
| 4334550 | Sealing means for sliding gate valve | Donald K. Hagar | 1982-06-15 |
| 4199898 | Closure apparatus with snap-in seal strips | — | 1980-04-29 |