Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636156 | Screw rotor machines with specific tooth profiles | David B. Hough, Anthony D. Barber | 1987-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636156 | Screw rotor machines with specific tooth profiles | David B. Hough, Anthony D. Barber | 1987-01-13 |