Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383802 | Oil equalization system for parallel connected compressors | Donald D. Schaefer | 1983-05-17 |
| 4284133 | Concentric tube heat exchange assembly with improved internal fin structure | William Seeley | 1981-08-18 |