Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502375 | Fume hood sash operator | Richard L. Wendt, Roy F. Zeigler, Warren L. Zeigler | 1985-03-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502375 | Fume hood sash operator | Richard L. Wendt, Roy F. Zeigler, Warren L. Zeigler | 1985-03-05 |