Inventor

MURPHY ROBERT A

US9 patents

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

SCIENCE APPLIC INT CORP

3 patents

US6992643B2Jan 31, 2006

APCOM INC

2 patents

US4419567ADec 6, 1983

Heating element for electric water heater

APCOM INC31 citations88

US5113480AMay 12, 1992

Fluid heater utilizing dual heating elements interconnected with conductive jumper

APCOM INC20 citations78

RAM OPTICAL INSTRUMENTATION IN

2 patents

US4884878ADec 5, 1989

Zoom optical unit

RAM OPTICAL INSTRUMENTATION IN7 citations69

US4779967AOct 25, 1988

Objective lens assembly

RAM OPTICAL INSTRUMENTATION IN17 citations69

LOCKHEED CORP

1 patent

US7561105B2Jul 14, 2009

Emitter locating using time-difference-of-arrival (TDOA) techniques

LOCKHEED CORP20 citations75

FOX CORDELL

1 patent

US8077104B1Dec 13, 2011

Passive anti-jamming antenna system

FOX CORDELL2 citations54