Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5900077 | Hardness, strength, and fracture toughness steel | Kenneth W. Burris | 1999-05-04 | $39,083,000 |
| 5595614 | Deep hardening boron steel article having improved fracture toughness and wear characteristics | — | 1997-01-21 | $12,512,000 |
| 5525167 | Elevated nitrogen high toughness steel article | — | 1996-06-11 | $22,697,000 |
| 5131965 | Deep hardening steel article having improved fracture toughness | — | 1992-07-21 | $17,743,000 |