Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4910091 | High hardness fine grained tungsten-carbon alloys | Beth A. Klucher, Paul N. Dyer, Richard W. Kidd, Christopher Ceccarelli | 1990-03-20 |
| 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 |
| 4518479 | Time phased alternate blending of feed coals for liquefaction | Frank Schweigharett, David S. Hoover | 1985-05-21 |