Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885031 | Fine grain tungsten heavy alloys containing additives | James R. Spencer | 1989-12-05 |
| 4836108 | Material for multiple component penetrators and penetrators employing same | Andrew J. Kegel, James R. Spencer, James S. Smith, Russell H. Rhodes | 1989-06-06 |