Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D789428 | Hole saw | Joseph Thomas Novak, Matthew Christopher Green, Robert Richard Zielonka, Joseph H. DeSantis, Peter Weremchuk +1 more | 2017-06-13 |
| 9586270 | Coated hole cutter | Robert Richard Zielonka, Joseph H. DeSantis, Peter Weremchuk | 2017-03-07 |