P

Inventor

OWEN JR R CALVIN

US7 patents
⚠️ This page may combine multiple inventors who share the name “OWEN JR R CALVIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

POLAROID CORP

3 patents
US4105308AAug 8, 1978

Aspheric plastic triplet

POLAROID CORP21 citations81
US4443067AApr 17, 1984

Zone focusing optical system

POLAROID CORP12 citations73
US4297007AOct 27, 1981

Optical apparatus and method for changing a zoom camera to a fixed focus camera

POLAROID CORP0 citations39

LOCKHEED CORP

1 patent
US6159149ADec 12, 2000

Ultrasonic camera

LOCKHEED CORP57 citations95

ASIS

1 patent
US6325757B1Dec 4, 2001

DIV: ultrasonic camera

ASIS25 citations88

VARO

1 patent
US5204774AApr 20, 1993

Night vision goggle with improved optical system

VARO18 citations79

LITTON SYSTEMS INC

1 patent
US6141146AOct 31, 2000

Night vision goggle with improved optical system

LITTON SYSTEMS INC5 citations71