Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6142010 | Penetration hardness tester | John J. Merck, Jr., Richard F. Conti | 2000-11-07 |
| 5616857 | Penetration hardness tester | John J. Merck, Jr., Richard F. Conti | 1997-04-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6142010 | Penetration hardness tester | John J. Merck, Jr., Richard F. Conti | 2000-11-07 |
| 5616857 | Penetration hardness tester | John J. Merck, Jr., Richard F. Conti | 1997-04-01 |