Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499394 | Filter switching circuit | Gary Frederick Kaatz | 1996-03-12 |
| 5278410 | X-ray cassette positioner and cogbelt for use therewith | John C. Boutet, James F. Owen, Gary R. Unruh | 1994-01-11 |
| 4513807 | Method for making a radial flow ceramic rotor for rotary type regenerator heat exchange apparatus: and attendant ceramic rotor constructions | Douglas N. Rose | 1985-04-30 |