Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5318006 | Cutting insert utilizing superabrasive compacts | Luther Lawford White, III | 1994-06-07 | $9,149,000 |
| 5092310 | Mining pick | David E. Slutz | 1992-03-03 | $21,048,000 |