Inventor

SHARP H EUGENE

3 patents

Patents

3 patents

US4562559ADec 31, 1985

Borehole acoustic telemetry system with phase shifted signal

SPERRY SUN INC89 citations94

US4293937AOct 6, 1981

Borehole acoustic telemetry system

SPERRY SUN INC37 citations86

US4139836AFeb 13, 1979

Wellbore instrument hanger

SPERRY SUN INC22 citations78