Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353938 | Coating powder with valve-metal | Henley F. Sterling, Miles P. Drake, Denis W. J. Hazelden, Sarah Y. Hughes | 1982-10-12 |
| 4338354 | Coating powdered material | Ernest Workman | 1982-07-06 |