JA

Jorg A. Angehrn

DI Dresser Industries: 2 patents #2 of 56Top 4%
📍 Houston, TX: #34 of 558 inventorsTop 7%
🗺 Texas: #147 of 2,272 inventorsTop 7%
Overall (1982): #12,077 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4346593 Well logging correction method and apparatus Anthony P. S. Howells, Raman Viswanathan 1982-08-31
4320470 Method and apparatus for acoustic well logging 1982-03-16