Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342478 | Knob-connector spring | — | 1982-08-03 |
| 4318558 | Latch bolt mechanism | Walter E. Best | 1982-03-09 |
| 4313320 | Rim lock with classroom function | Walter E. Best | 1982-02-02 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342478 | Knob-connector spring | — | 1982-08-03 |
| 4318558 | Latch bolt mechanism | Walter E. Best | 1982-03-09 |
| 4313320 | Rim lock with classroom function | Walter E. Best | 1982-02-02 |