Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10195699 | Sucker rod | Michael Eric Johnson, Donald Mike Johnson, Aleksei Averyanov | 2019-02-05 |
| 9278412 | Sucker rod | Michael Eric Johnson, Donald Mike Johnson, Aleksei Averyanov | 2016-03-08 |