DE

David M. Epplin

BH Baker Hughes Holdings: 2 patents #1,327 of 3,522Top 40%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,127,865 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7813878 Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis Robert A. Estes, Jonathan R. Bynum, Randell Riggs 2010-10-12
7234540 Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis Robert A. Estes, Jonathan R. Bynum, Randell Riggs 2007-06-26