Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819730 | Development drilling system | Frank B. Williford, Paul V. Devlin | 1989-04-11 |
JL
James M. Luke
Overall (All Time): #3,925,013 of 4,157,543Top 95%
1
Patents All Time