Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874642 | Method for depositing a hard, fine-grained, non-columnar alloy of tungsten and carbon on a substrate | Beth A. Klucher, Paul N. Dyer, Richard W. Kidd, Christopher Ceccarelli | 1989-10-17 |