Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620822 | Flat bottom hole drill | Sazzadul Haque | 1986-11-04 |
| 4449864 | Consumable self-regenerative ledge cutting insert | Sazzadul Haque | 1984-05-22 |
TS
Terry A. Schroeder
Overall (All Time): #2,350,287 of 4,157,543Top 60%
2
Patents All Time