Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9056401 | Adjustable trimming assembly | William T. Graushar, John C. Geres, David F. Christofferson, Michael J. Krchma, Greg Goss +4 more | 2015-06-16 |
| 8291799 | Adjustable trimming assembly | William T. Graushar, John C. Geres, David F. Christofferson, Michael J. Krchma, Greg Goss +4 more | 2012-10-23 |