Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346870 | Thermal barrier for poppet valve | Jay M. Larson, Theodore N. Tunnecliffe, Roger P. Worthen | 1982-08-31 |
| 4342624 | Vapor compression liquid treating system | Ralph P. Horan | 1982-08-03 |