Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8276563 | Internal combustion engine piston | David P. Quigley, Patrick R. Shea, Aaron S. Quinton, Doug Doup | 2012-10-02 |
| 7503187 | Connecting devices, interchangeable members, and methods for connecting the same | — | 2009-03-17 |
| 7353665 | Clasps, interchangeable jewelry pieces, and methods for connecting the same | — | 2008-04-08 |
| 5713129 | Method of manufacturing coated piston ring | Freidoon Rastegar, John S. Winter | 1998-02-03 |