Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621868 | Height control mechanism | Patrick E. Strange | 1986-11-11 |
| 4616877 | Chair with back height adjustment | James E. Blesinger | 1986-10-14 |
| 4593951 | Hydraulic chair lift mechanism | Patrick E. Strange | 1986-06-10 |
| 4592590 | Hydraulic lifting mechanism for a chair or the like using a two phase working fluid | Patrick E. Strange | 1986-06-03 |
| 4494721 | Seat adjustment mechanism for a chair | Steven F. Trinkel, Patrick E. Strange | 1985-01-22 |
| 4469382 | Desk locking mechanism | Jay M. Henriott, Paul R. Hedinger, Steven F. Trinkel | 1984-09-04 |