Issued Patents 2018
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041299 | CV joint for drilling motor and method | William Christian Herben | 2018-08-07 |
| 10017991 | Hammer drill | Michael V. Williams, Russell Wayne Koenig | 2018-07-10 |
| 10017992 | Radial ball bearing and method | William Christian Herben | 2018-07-10 |
| 10017994 | Boring apparatus and method | Michael V. Williams | 2018-07-10 |
| 9976350 | Up drill apparatus and method | Michael V. Williams, Russell Wayne Koenig, Chaitanya P. Challa, Frank R. Vignal | 2018-05-22 |
| 9976354 | Boring apparatus and method | Michael V. Williams | 2018-05-22 |