Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10738872 | Scissors gear | Gregory J. Mitchum, Philip W. Burbrink, John G. Allman | 2020-08-11 | $25,942,000 |
| 9341253 | Scissors gear | Gregory J. Mitchum, Philip W. Burbrink, John G. Allman | 2016-05-17 | $24,437,000 |