Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9676028 | Method for processing castings | James Raphord Barrett, John Schleicher, David Pickett | 2017-06-13 |
| 4454205 | Method of drill bit manufacture and product | Ronald R. Miller, William R. Barber, Jr., David A. Hampel | 1984-06-12 |