Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11166553 | Tilting chair | Jonathan Prestwich | 2021-11-09 |
| 6523895 | Ergonomic chair | — | 2003-02-25 |
| 6116687 | Functional chair | — | 2000-09-12 |
| D418316 | Office chair | — | 2000-01-04 |
| 5356199 | Mechanism for mounting the seat of a swivel chair on a chair frame | Manfred Elzenbeck | 1994-10-18 |
| 5340197 | One-piece seat shell | — | 1994-08-23 |
| 5335966 | Frame for a cantilever chair | — | 1994-08-09 |
| D342624 | Chair | — | 1993-12-28 |
| D317232 | Protective end cap for a furniture leg | Manfred Elzenbeck | 1991-06-04 |
| D317097 | Seat frame | Manfred Elzenbeck | 1991-05-28 |
| D314089 | Seat | — | 1991-01-29 |
| 4840426 | Office chair | Manfred Elzenbeck | 1989-06-20 |
| D298593 | Chair | — | 1988-11-22 |
| D293982 | Chair | — | 1988-02-02 |
| D290321 | Armrest for a chair | — | 1987-06-16 |
| D289478 | Furniture leg or similar article | — | 1987-04-28 |
| D259000 | Chair | — | 1981-04-28 |