Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5964436 | Chair base | Robert J. Battey, Robert S. Grooters, Kurt R. Heidmann, John L. Hendricks, Michael A. Kolarik +2 more | 1999-10-12 |
| 5906343 | Chair base | Robert J. Battey, Robert S. Grooters, Kurt R. Heidmann, John L. Hendricks, Michael A. Kolarik +2 more | 1999-05-25 |