Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098573 | Systems and methods for estimating drill bit rotational velocity using top drive torque and rotational velocity | Douglas Greening | 2021-08-24 |
| 10955721 | Multi-order, tunable Fabry-Perot etalon filter with wavelength down-selector | Jarrett H Vella, John H. Goldsmith, John S Derov | 2021-03-23 |