Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396734 | Trenching system with hydraulically adjustable hub | Cody L. Sewell, Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Andrew A. Schuermann | 2022-07-26 |
| 10422107 | Trenching system with hydraulically adjustable hub | Cody L. Sewell, Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Andrew A. Schuermann | 2019-09-24 |
| 10378179 | Trenching system | Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Andrew A. Schuermann | 2019-08-13 |
| 9752301 | Trenching system | Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Andrew S. Schuermann | 2017-09-05 |
| 9695573 | Trenching system with hydraulically adjustable hub | Cody L. Sewell, Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Andrew A. Schuermann | 2017-07-04 |
| 8806784 | Trenching system | Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Andrew S. Schuermann | 2014-08-19 |
| 8375605 | Trenching system | Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Andrew A. Schuermann | 2013-02-19 |