Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D472794 | Escutcheon | Zhiqian LaPlume | 2003-04-08 |
| D465989 | Deadbolt | Emily Meredith | 2002-11-26 |
| D463968 | Deadbolt | Zhiqian LaPlume | 2002-10-08 |
| D454049 | Combined door knob and rose | Zhiqian LaPlume, Darren M. Mark | 2002-03-05 |
| D453897 | Combined rose and turnpiece | Zhiqian LaPlume | 2002-02-26 |
| D453899 | Escutcheon | Zhiqian LaPlume | 2002-02-26 |
| D447927 | Handleset | Zhiqian LaPlume | 2001-09-18 |
| D415948 | Pitcher handle for handleset | — | 1999-11-02 |
| D407292 | Pitcher handle for a handleset | — | 1999-03-30 |
| D400777 | Turn button for a lever operated lockset | — | 1998-11-10 |
| D391827 | Handleset | — | 1998-03-10 |
| D391828 | Handleset | — | 1998-03-10 |
| D391829 | Handleset | — | 1998-03-10 |
| D391830 | Handleset | — | 1998-03-10 |
| D378984 | Door lever | — | 1997-04-29 |
| D373523 | Cylinder lock housing | — | 1996-09-10 |
| D373063 | Cylinder portion of a lever type lockset | — | 1996-08-27 |
| D363872 | Door lever | — | 1995-11-07 |
| D361706 | Door handleset | — | 1995-08-29 |
| D361489 | Door lever | — | 1995-08-22 |
| D361488 | Door lever | — | 1995-08-22 |
| D352888 | Key bow | — | 1994-11-29 |
| D349037 | Door lock plate | — | 1994-07-26 |
| D348820 | Door lever | — | 1994-07-19 |
| D348821 | Door lever | — | 1994-07-19 |