Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827728 | Seven-effect absorption refrigeration | Wendell J. Biermann | 1989-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827728 | Seven-effect absorption refrigeration | Wendell J. Biermann | 1989-05-09 |