Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630650 | Vertically adjustable back construction for seating | Gordon J. Peterson, Arnold B. Dammermann, Charles P. Roossien, David L. Rundhaug | 1997-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630650 | Vertically adjustable back construction for seating | Gordon J. Peterson, Arnold B. Dammermann, Charles P. Roossien, David L. Rundhaug | 1997-05-20 |