Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869290 | Expansion device for a refrigeration system, piston therefor and methods of making the same | Roger P. Sepso | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869290 | Expansion device for a refrigeration system, piston therefor and methods of making the same | Roger P. Sepso | 1989-09-26 |