Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776192 | Pneumatic valve and manifold mounting system | — | 2004-08-17 |
| 6202999 | Workpiece support device | John Charles Wayman, Richard Anthony Pepper | 2001-03-20 |
| 6016838 | Valve construction | — | 2000-01-25 |
| 4787412 | Cartridge valve | Michael S. Abraham | 1988-11-29 |
| 4338856 | Dual pilot counterbalance valve | Robert Smilges | 1982-07-13 |
| 4236690 | Electrohydraulic flow control apparatus | Robert Smilges | 1980-12-02 |