Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335485 | Variable pitch trowels | John N. Paine | 1982-06-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335485 | Variable pitch trowels | John N. Paine | 1982-06-22 |