Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186568 | Core plate lifting fixture and related process | Bettadapur N. Sridhar, Fred Charles Nopwaskey, Stephen Parker | 2001-02-13 |
| 5234185 | Unitary pipe clamp and assembly | Donald E. Hoffman | 1993-08-10 |
| 5163505 | Heater core retaining system | Donald E. Hoffman | 1992-11-17 |
| 5101883 | Method of assembly of single and multi-zone vehicle heating and a/c systems | Jeffrey C. Kinmartin, Donald E. Hoffman | 1992-04-07 |