Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D789428 | Hole saw | Joseph Thomas Novak, Matthew Christopher Green, Robert Richard Zielonka, Christopher F. Fitzgerald, Peter Weremchuk +1 more | 2017-06-13 |
| 9586270 | Coated hole cutter | Robert Richard Zielonka, Christopher F. Fitzgerald, Peter Weremchuk | 2017-03-07 |
| D711441 | Hole saw | Joseph Thomas Novak, Matthew Christopher Green, Robert Richard Zielonka, Christopher F. Fitzgerald, Peter Weremchuk +1 more | 2014-08-19 |
| D692470 | Hole saw | Joseph Thomas Novak, Matthew Christopher Green, Robert Richard Zielonka, Christopher F. Fitzgerald, Peter Weremchuk +1 more | 2013-10-29 |
| D690334 | Hole saw | Robert Richard Zielonka, Christopher F. Fitzgerald, Peter Weremchuk | 2013-09-24 |