DS

Donald M. Sawyer

RL Rival Downhole Tools Lc: 1 patents #7 of 12Top 60%
📍 Conroe, TX: #208 of 788 inventorsTop 30%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,155,761 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11008809 Bent housing drilling motor with counter-rotating lower end Gunther HH von Gynz-Rekowski, William Christian Herben, Mark Allen Reeves, Roger Fincher 2021-05-18
6978850 Smart clutch 2005-12-27
6273190 Wellbore sidetrack plug 2001-08-14
6216802 Gravity oriented directional drilling apparatus and method 2001-04-17