Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658134 | Compressor with suction valve in piston | Howard G. Westerman, Paul Howison Bergthold | 1997-08-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658134 | Compressor with suction valve in piston | Howard G. Westerman, Paul Howison Bergthold | 1997-08-19 |