Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885028 | Process for producing prealloyed tungsten alloy powders | Nelson E. Kopatz, Walter A. Johnson, Jack E. Vanderpool | 1989-12-05 |
| 4755353 | Process for producing metal foils | Nelson E. Kopatz, Jack E. Vanderpool, Philip E. Stermer | 1988-07-05 |
| 4743297 | Process for producing metal flakes | Nelson E. Kopatz, Jack E. Vanderpool, Philip E. Stermer | 1988-05-10 |
| 4670047 | Process for producing finely divided spherical metal powders | Nelson E. Kopatz, Lori S. Pruyne | 1987-06-02 |