Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341658 | Fail safe mechanical oil shutoff arrangement for screw compressor | Garry E. Andersen | 1994-08-30 |
| 4382749 | Reciprocating compressor with integral unloader valve | Arlo F. Teegarden | 1983-05-10 |