Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7569035 | Automatic injector with anti-coring needle | John G. Wilmot, Robert L. Hill, Seth P. Cain, C. Michael Mesa | 2009-08-04 |
| 6953445 | Wet/dry automatic injector assembly | John G. Wilmot, Robert L. Hill | 2005-10-11 |
| 5667356 | Acid/slurry governor seal assembly for centrifugal pumps | Douglas W. Drussel | 1997-09-16 |
| 4915579 | Pump sealing apparatus | G. Michael Wilfley, Irvin F. Zagar | 1990-04-10 |