Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844671 | Low friction and high wear resistant sucker rod string | Fritz C. Grensing, Diane M. Nielsen, William D. Nielsen, Christopher W. Damschroder | 2020-11-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844671 | Low friction and high wear resistant sucker rod string | Fritz C. Grensing, Diane M. Nielsen, William D. Nielsen, Christopher W. Damschroder | 2020-11-24 |