Inventor

EDWARDS CHARLES M

US3 patents

Patents

3 patents

US4202048AMay 6, 1980

Seismic prospecting system

UNITED GEOPHYSICAL CORP33 citations86

US4201972AMay 6, 1980

Seismic prospecting system

UNITED GEOPHYSICAL CORP17 citations70

US4188611AFeb 12, 1980

Seismic prospecting system

UNITED GEOPHYSICAL CORP5 citations57