Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328242 | Chair with back lock | Russell T. Holdredge | 1994-07-12 |
| 5318346 | Chair with zero front rise control | Charles P. Roossien, David C. Pugh, Dale M. Groendal, James E. Massey, Robert Scheper +4 more | 1994-06-07 |