Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8881411 | Hacksaw with blade tensioning mechanism | Matthew Christopher Green, Peter Weremchuk | 2014-11-11 |
| D711441 | Hole saw | Matthew Christopher Green, Robert Richard Zielonka, Joseph H. DeSantis, Christopher F. Fitzgerald, Peter Weremchuk +1 more | 2014-08-19 |
| D701544 | Hole saw | Matthew Christopher Green, Robert Richard Zielonka, William B. Korb | 2014-03-25 |
| 8579554 | Hole cutter with axially-elongated aperture defining multiple fulcrums | Matthew Christopher Green | 2013-11-12 |
| 8579555 | Hole cutter with axially-elongated aperture defining multiple fulcrums | Matthew Christopher Green | 2013-11-12 |
| 8573907 | Hole cutter with minimum tooth pitch to blade body thickness ratio | Charles Kalomeris, William B. Korb, Christopher F. Fitzgerald | 2013-11-05 |
| D692470 | Hole saw | Matthew Christopher Green, Robert Richard Zielonka, Joseph H. DeSantis, Christopher F. Fitzgerald, Peter Weremchuk +1 more | 2013-10-29 |
| D687472 | Hole saw | Matthew Christopher Green, Robert Richard Zielonka, William B. Korb | 2013-08-06 |
| 8366356 | Quick change arbor, hole cutter, and method | James E. Pangerc | 2013-02-05 |
| 8328476 | Quick change arbor, hole cutter, and method | Charles M. O'Keefe, James E. Pangerc | 2012-12-11 |
| 8328474 | Quick change arbor, hole cutter, and method | James E. Pangerc | 2012-12-11 |
| D659176 | Hole saw | Matthew Christopher Green, Robert Richard Zielonka, William B. Korb | 2012-05-08 |
| D536624 | Blade dispenser | Peter Weremchuk | 2007-02-13 |
| 6266887 | Hacksaw and method for making the same | Robert L. Owens | 2001-07-31 |