Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D323610 | Lever handle | Alan P. Tye, David R. Perrett | 1992-02-04 |
| D320337 | Door pull | Alan P. Tye, David R. Perrett | 1991-10-01 |
| D319381 | Turn knob | Alan P. Tye, David R. Perrett | 1991-08-27 |