Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884835 | Lever spindle spring cage | Jon M. Smallegan | 1989-12-05 |
| 4875352 | Construction keying | Jon M. Smallegan | 1989-10-24 |
| 4648643 | Retrofit lever assembly for a door knob | — | 1987-03-10 |