Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599144 | Low friction flute tungsten carbon microdrill | Michael Bickham, Richard W. Burns, Glenn D. Johnson, Oliver K. Sparkman, Dale W. Wilhite | 1997-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599144 | Low friction flute tungsten carbon microdrill | Michael Bickham, Richard W. Burns, Glenn D. Johnson, Oliver K. Sparkman, Dale W. Wilhite | 1997-02-04 |