Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5620936 | Recovery of spent catalyst | Vinci Martinez Felix, Norman A. Carlson | 1997-04-15 | $73,664,000 |
| 5171379 | Tantalum base alloys | Prabhat Kumar | 1992-12-15 | $5,194,000 |
| 4684399 | Tantalum powder process | Roger M. Bergman | 1987-08-04 | $6,380,000 |