Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167868 | Conductive expandable carbonaceous paste material | William R. Clark, Harold L. King | 1992-12-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167868 | Conductive expandable carbonaceous paste material | William R. Clark, Harold L. King | 1992-12-01 |