P

Inventor

HALE STEVEN D

US6 patents
⚠️ This page may combine multiple inventors who share the name “HALE STEVEN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COLIGHT INC

3 patents
USD286298SOct 21, 1986

Integrating photometer

COLIGHT INC10 citations71
USD285931SSep 30, 1986

Integrating photometer

COLIGHT INC7 citations71
US4644165AFeb 17, 1987

Integrating photometer

COLIGHT INC9 citations67

ENSCO INC

1 patent
US4297699AOct 27, 1981

Radar drill guidance system

ENSCO INC79 citations91

ELECTRONIC INSTRUMENTATION AND

1 patent
US4685074AAug 4, 1987

Film area computer

ELECTRONIC INSTRUMENTATION AND12 citations72

FERGUSON FRANK W

1 patent
US4482328ANov 13, 1984

Audio-visual teaching machine and control system therefor

FERGUSON FRANK W12 citations61