Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D295829 | Combined latch and deadbolt unit | Charles J. Ortega, David L. O'Day | 1988-05-24 |
| 4671089 | Door latch and deadbolt assembly | David L. O'Day | 1987-06-09 |
| 4534587 | Latch assembly | — | 1985-08-13 |
| 4480862 | Latching and locking mechanism for sliding door | — | 1984-11-06 |