Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9434033 | Hole cutter with extruded cap | Robert Richard Zielonka, William B. Korb | 2016-09-06 |
| D765159 | Hole saw | Matthew Christopher Green, Robert Richard Zielonka, William B. Korb | 2016-08-30 |
| RE46103 | Quick change arbor, hole cutter, and method | James E. Pangerc | 2016-08-16 |