Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10054167 | Driveshaft with two-stage stiffness | Paul A. Piorkowski, Michael J. Grimmer, Mark A. Gehringer, Stephanie A. Erntser, Eric J. Defenderfer | 2018-08-21 |
| 9416815 | Driveshaft with two-stage stiffness | Michael J. Grimmer, Mark A. Gehringer, Stephanie A. Ernster, Eric J. Defenderfer | 2016-08-16 |
| 7486420 | Flexographic printing | Devon James McCrea | 2009-02-03 |
| 7245402 | Flexographic printing | Devon James McCrea | 2007-07-17 |
| 7126724 | Flexographic printing | Devon James McCrea | 2006-10-24 |