Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308131 | Interchangeable faceplates for door latches permitting adaptation to a variety of standard door preparations | Jaime Galindo | 1994-05-03 |
| 4604879 | Cylindrical lock | Scott A. Hull | 1986-08-12 |
| 4470279 | Lockset for a door panel | Leon F. Tatara | 1984-09-11 |
| 4223931 | Doorknob attachment | — | 1980-09-23 |