Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4787784 | Polygonal cutting insert | Thomas J. Bernadic, John Patterson, Karl A. Kathi, Charles F. Zimmerman, Yefim Val | 1988-11-29 |
| 4669925 | Roughing/finishing threader | Thomas J. Bernadic | 1987-06-02 |
| 4626140 | Chip control insert | Raymond T. Zweekly | 1986-12-02 |