Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5058044 | Automated maintenance checking system | Stedman J. Stewart, Howard E. Breeden | 1991-10-15 |
| 5042128 | Tool for removing valve spring retainer of a valve assembly | — | 1991-08-27 |