Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854143 | Bolt assembly and method | John F. Stewart | 1989-08-08 |
| 4802353 | Battery-powered door lock assembly and method | James Mullin | 1989-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854143 | Bolt assembly and method | John F. Stewart | 1989-08-08 |
| 4802353 | Battery-powered door lock assembly and method | James Mullin | 1989-02-07 |