Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7204249 | Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage | Joseph B. Richey, II, Gerald Goertzen | 2007-04-17 |
| 5513899 | Seat cushion for wheelchairs | Gregory A. Michaels | 1996-05-07 |
| 4362907 | Combination automobile sun visor and radio and speaker assembly | — | 1982-12-07 |
| 4326100 | Combination automobile sun visor and speaker assembly | — | 1982-04-20 |
| 4244145 | Indoor plant growing apparatus | — | 1981-01-13 |