Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8211199 | Filter cartridge | Randel D. Harbur | 2012-07-03 |
| 7311748 | Air filter assembly system and method | Steven R. Jones, Clifford D. Haggard | 2007-12-25 |
| 6113186 | Multiple seat assembly I | Gregory M. Saul | 2000-09-05 |
| 5823625 | Arm and back attachment | — | 1998-10-20 |
| 5382079 | Adjustable arm attachable to a chair body | Robert L. Wilson, Ernest A. Pittman | 1995-01-17 |