Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8187426 | Steam shower having improved maintenance access | John Spachman, Shizhong Duan, Paul Durcan | 2012-05-29 |
| 5172600 | Linear weight actuator | Thomas J. Cissell, Karsten G. Koester, Gordon K. Reed | 1992-12-22 |
| 5060539 | Pneumatic stepper motor actuator | Thomas J. Cissell, Karsten G. Koester, Gordon K. Reed | 1991-10-29 |
| 4367882 | Suspension apparatus | Graham Alexander | 1983-01-11 |
| 4365351 | Diving suit with neck and wrist seals | James F. Mank | 1982-12-28 |