Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622544 | Air dryer cartridge with filter retainer | Dennis R. Shamine | 1997-04-22 |
| 4528590 | Electronic treadle | Lenora A. Bisacquino, Rudolph J. Plasko | 1985-07-09 |
| 4487617 | Mechanism for cleaning and drying compressed gases | David John Knight, William Wurst | 1984-12-11 |