Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5242211 | Stackable swivel chair | Jan Grad, Peter W. Karg, Michael Hertig | 1993-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5242211 | Stackable swivel chair | Jan Grad, Peter W. Karg, Michael Hertig | 1993-09-07 |