Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494256 | Apparatus and method for zonal isolation | Timothy Achee, James Wenner, Kerby J. Dufrene | 2002-12-17 |
| 5435339 | Manual air relief valve | — | 1995-07-25 |
JH
Joseph E. Hayes
Kdi American Products: 1 patents #5 of 20Top 25%
Overall (All Time): #2,220,805 of 4,157,543Top 55%
2
Patents All Time