Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043143 | Sharpeners to create cross-grind knife edges | Daniel D. Friel, Sr., Daniel D. Friel, Jr. | 2011-10-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043143 | Sharpeners to create cross-grind knife edges | Daniel D. Friel, Sr., Daniel D. Friel, Jr. | 2011-10-25 |