BS

Brent G. Stephenson

TW The Charles Machine Works: 7 patents #28 of 211Top 15%
📍 Stillwater, OK: #53 of 455 inventorsTop 15%
🗺 Oklahoma: #1,547 of 12,736 inventorsTop 15%
Overall (All Time): #733,808 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9850715 Modular compaction boring machine system Jerry W. Beckwith, Dustin L. Blessum, Michael F. Gard, Tony D. Kukuk, Jason N. MacDonald +6 more 2017-12-26
7389831 Dual-member auger boring system H. Stanley Mullins, Jerry W. Beckwith, Kelvin P. Self, Floyd R. Gunsaulis 2008-06-24
6672409 Downhole generator for horizontal directional drilling Matthew Dock 2004-01-06
RE37975 Directional boring head with blade assembly Arthur D. Deken, Cody L. Sewell, Richard P. Dunn 2003-02-04
5941322 Directional boring head with blade assembly Arthur D. Deken, Cody L. Sewell 1999-08-24
5799740 Directional boring head with blade assembly Arthur D. Deken, Cody L. Sewell 1998-09-01
5713423 Drill pipe J. Scott Martin 1998-02-03