Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041257 | Expansion device for a refrigeration system, piston therefor and methods of making the same | Roger P. Sepso | 1991-08-20 |
| 5014729 | Expansion device for a refrigeration system, piston therefor and methods of making the same | Roger P. Sepso | 1991-05-14 |
| 4869290 | Expansion device for a refrigeration system, piston therefor and methods of making the same | Roger P. Sepso | 1989-09-26 |
| 4784177 | Expansion device for a refrigeration system, piston therefor and methods of making the same | Roger P. Sepso | 1988-11-15 |