Inventor

CHANEY PRESTON E

5 patents

⚠️ This page may combine multiple inventors who share the name “CHANEY PRESTON E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPERRY SUN INC

2 patents

US4293936AOct 6, 1981

Telemetry system

SPERRY SUN INC100 citations92

US4139836AFeb 13, 1979

Wellbore instrument hanger

SPERRY SUN INC22 citations78

SUN OIL CO DELAWARE

1 patent

US3984918AOct 12, 1976

Inclinometer

SUN OIL CO DELAWARE36 citations89

HOLDER JOHN E

1 patent

US4083317AApr 11, 1978

Method and apparatus for breaking ice with water

HOLDER JOHN E13 citations66

SUNTECH

1 patent

US4040262AAug 9, 1977

Ice anchor

SUNTECH0 citations50