Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554550 | Tandem tap and method for cutting screw threads | Penny E. Chapel | 2003-04-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554550 | Tandem tap and method for cutting screw threads | Penny E. Chapel | 2003-04-29 |