Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851042 | Hardness and strength of heavy alloys by addition of tantalum | Randall M. German | 1989-07-25 |
| 4801330 | High strength, high hardness tungsten heavy alloys with molybdenum additions and method | Randall M. German, David M. Sims | 1989-01-31 |