Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10899033 | Tool and method for separating and picking cut pieces of flexible materials | Derek D. Black, Nathan Woodward, Damian J. Hendriks, Stephen Grupinski | 2021-01-26 |
| 10710262 | Tool and method for separating and picking cut pieces of flexible materials | Derek D. Black, Stephen Grupinski, William W. Wicker | 2020-07-14 |
| 7856797 | Automated collector device and methods | Derek D. Black, Stephen Grupinski | 2010-12-28 |