Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4584861 | Knurling tool | Benjamin M. Bartilson, Richard D. Kreachbaum, Thomas A. Pettenski | 1986-04-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4584861 | Knurling tool | Benjamin M. Bartilson, Richard D. Kreachbaum, Thomas A. Pettenski | 1986-04-29 |