Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D486975 | Four-legged chair | — | 2004-02-24 |
| D486316 | Two-position chair | — | 2004-02-10 |
| D466711 | Two-position chair | — | 2002-12-10 |
| D466319 | Four-legged chair | — | 2002-12-03 |
| 6152411 | Computer keyboard tray | — | 2000-11-28 |
| 5224681 | Hand releasable locking collar | — | 1993-07-06 |
| 5108066 | Hand releasable locking collar | — | 1992-04-28 |