Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554364 | Articulating armrest | Arnold B. Dammermann, David Bodnar, Michael L. Deimen, Thomas R. Hahn, Duane F. Nagel +2 more | 2003-04-29 |
| 5630650 | Vertically adjustable back construction for seating | Gordon J. Peterson, Arnold B. Dammermann, Charles P. Roossien, James M. Mancewicz | 1997-05-20 |
| 5439267 | Chair with adjustable arm assemblies | Gordy Peterson, David D. Sayers, Charles P. Roossien, Kevin J. DeWeerd, Michael L. Deimen | 1995-08-08 |