Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287270 | Billing system | Robert M. Hardy, John M. Cauffman, Lynn S. Cauffman, Robert C. Lovell, Jr., Murray B. Frazier +1 more | 1994-02-15 |
| 4517083 | Filter device having relief valve for use in power steering system | Willliam Hayes | 1985-05-14 |