Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028555 | Preassembled cam lock assembly | — | 2011-10-04 |
| RE41188 | Plunger lock assembly with removable core | Joseph R. Thomas, William H. Bullwinkel | 2010-04-06 |
| 6920770 | Plunger lock assembly with removable core | Joseph R. Thomas, William H. Bullwinkel | 2005-07-26 |
| 6735991 | Tamper resistant lock assembly | Joseph R. Thomas | 2004-05-18 |
| 6349574 | High security-restricted key retrofit kit for handcuffs and leg irons | — | 2002-02-26 |
| 5797284 | High security handcuffs | — | 1998-08-25 |