Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10202835 | Pressure delivery proppant to offshore frac blender | Robert Douglas Hayworth | 2019-02-12 |
| 5970552 | Scaffold prybar ratchet | Lester H. Kwiecien | 1999-10-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10202835 | Pressure delivery proppant to offshore frac blender | Robert Douglas Hayworth | 2019-02-12 |
| 5970552 | Scaffold prybar ratchet | Lester H. Kwiecien | 1999-10-26 |