Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688687 | Backrest with adjustable lumbar support | — | 2004-02-10 |
| 6672669 | Swingable chair back with top pivot | David Lambert | 2004-01-06 |
| 6623078 | Adjustable height chair arm supported on back upright | David Lambert | 2003-09-23 |
| D465680 | Chair | — | 2002-11-19 |
| D464819 | Chair | — | 2002-10-29 |
| D464495 | Chair | — | 2002-10-22 |
| D463694 | Chair | — | 2002-10-01 |
| D463174 | Chair | — | 2002-09-24 |
| D463178 | Chair | — | 2002-09-24 |
| D462549 | Chair arm | — | 2002-09-10 |
| D459923 | Chair | — | 2002-07-09 |
| D459921 | Arm for a chair | — | 2002-07-09 |
| 6378942 | Backrest with adjustable lumbar support | — | 2002-04-30 |
| D454450 | Chair | — | 2002-03-19 |
| D452785 | Chair device | — | 2002-01-08 |
| 6279998 | Seat mounting mechanism | Harald Wurl, Hermann Bock | 2001-08-28 |
| 6260921 | Lumbar support adjustment mechanism | Harald Wurl, Hermann Bock | 2001-07-17 |
| 6189972 | Lumbar support adjustment mechanism | Harald Wurl, Hermann Bock | 2001-02-20 |
| D435175 | Chair | — | 2000-12-19 |
| 6135556 | Seat adjustment mechanism | Harald Wurl, Hermann Bock | 2000-10-24 |
| D426966 | Chair | — | 2000-06-27 |
| D425323 | Chair | — | 2000-05-23 |
| D425322 | Chair | — | 2000-05-23 |
| D424824 | Chair | — | 2000-05-16 |
| D420827 | Chair | — | 2000-02-22 |