Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293756 | Method and apparatus for recovering refrigerants from home refrigeration systems | John A. Nelson, David B. Kirby, Phalguni S. Roy, Nihat O. Cur, Allen C. Schmaltz +2 more | 1994-03-15 |