Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343200 | Reversing attachment for diamond thread screw | James E. Alworth, John C. Kennedy, Gus Sandin | 1982-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343200 | Reversing attachment for diamond thread screw | James E. Alworth, John C. Kennedy, Gus Sandin | 1982-08-10 |