Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116416 | Boron-treated hard metal | Donald C. Pennington, Jr. | 1992-05-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116416 | Boron-treated hard metal | Donald C. Pennington, Jr. | 1992-05-26 |