JM

John D. Macpherson

BH Baker Hughes Holdings: 2 patents #21 of 254Top 9%
📍 Spring, TX: #17 of 145 inventorsTop 15%
🗺 Texas: #960 of 8,064 inventorsTop 15%
Overall (2005): #49,691 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6898967 Azimuthal resistivity using a non-directional device — 2005-05-31
6847585 Method for acoustic signal transmission in a drill string — 2005-01-25