Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662381 | Chair construction and method of assembly | David C. Pugh, Dale M. Groendal, James E. Massey, Robert Scheper, Duane F. Nagel +3 more | 1997-09-02 |
| 5630650 | Vertically adjustable back construction for seating | Gordon J. Peterson, Arnold B. Dammermann, David L. Rundhaug, James M. Mancewicz | 1997-05-20 |