Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790577 | Door push-bar lock-out retainer | Carl R. Larrabee | 1988-12-13 |
| 4331354 | Door push bar lock-out retainer | Carl R. Larrabee | 1982-05-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790577 | Door push-bar lock-out retainer | Carl R. Larrabee | 1988-12-13 |
| 4331354 | Door push bar lock-out retainer | Carl R. Larrabee | 1982-05-25 |