Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497537 | Slotting cutter with cartridge assembly | Mark Alan Francis, Kay E. Kucharik, David C. Machacek | 2002-12-24 |
| 6431799 | Slotting cutter | Mark Alan Francis, Howard W. Frye, Kay E. Kucharik, David C. Machacek | 2002-08-13 |