Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631111 | Dichromic process for preparation of conductive circuit | — | 1986-12-23 |
| 4428852 | Continuous synthesis of chromium dioxide | Robert A. Covington, Jr., Cecil L. Long | 1984-01-31 |