Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290191 | Chair base | Nancy A. Funk | 2001-09-18 |
| 5979845 | Hub tube/washer assembly | Robert J. Battey, Charles L. Cartwright, Brian H. Root | 1999-11-09 |
| 5964436 | Chair base | Robert J. Battey, Robert S. Grooters, Kurt R. Heidmann, Michael A. Kolarik, Brian H. Root +2 more | 1999-10-12 |
| 5906343 | Chair base | Robert J. Battey, Robert S. Grooters, Kurt R. Heidmann, Michael A. Kolarik, Brian H. Root +2 more | 1999-05-25 |
| 5400634 | Apparatus for forming tubing into curved, unbalanced and non-uniform shapes | — | 1995-03-28 |
| 5297415 | Method for forming tubing into curved, unbalanced and non-uniform shapes | — | 1994-03-29 |