Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873148 | Coated metallic particles and process for producing same | Preston B. Kemp, Jr. | 1989-10-10 |
| 4844355 | Apparatus for milling metal powder to produce high bulk density fine metal powders | Preston B. Kemp, Jr. | 1989-07-04 |
| 4818567 | Coated metallic particles and process for producing same | Preston B. Kemp, Jr. | 1989-04-04 |