Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683342 | Oil cleaning assemblies for engines | — | 1997-11-04 |
| 5451747 | Flexible self-regulating heating pad combination and associated method | William M. Sullivan, William W. Irwin, Jr., Charles W. Murin, Clifford R. Stine | 1995-09-19 |