Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871299 | Screw compressor unit including a centrifugal clutch | — | 1989-10-03 |
| 4869289 | Adjustable compressor valve which can accommodate changing operating conditions in the compressor to which it is attached | — | 1989-09-26 |
| 4869291 | Compressor plate valve | — | 1989-09-26 |
| 4799507 | Adjustable compressor valve which can accommodate changing operating conditions in the compressor to which it is attached | — | 1989-01-24 |