Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610579 | Core drill bit with dynamic cooling fluid flow control means | Robert G. Frank, Joseph A. Noca, Joseph B. Kelly | 1986-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610579 | Core drill bit with dynamic cooling fluid flow control means | Robert G. Frank, Joseph A. Noca, Joseph B. Kelly | 1986-09-09 |