Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8393654 | Turn-button with leading helical end portion | Philip W. Shealer, Derrick W. English | 2013-03-12 |
| 7380847 | Dummy conversion bracket for a lockset | Michael Winardi | 2008-06-03 |
| 6662606 | Lock cylinder retainer | — | 2003-12-16 |
| 6622537 | Deadbolt with LED and wiring harness | — | 2003-09-23 |
| D473780 | Handleset | Yos Singtoroj | 2003-04-29 |
| D452131 | Door handle | — | 2001-12-18 |
| D443194 | Cylinder portion of a lever-type lockset | — | 2001-06-05 |
| D435423 | Lever-style for a door handle | Darren M. Mark | 2000-12-26 |
| D431443 | Lever-style for a door handle | Darren M. Mark | 2000-10-03 |