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Inventor

HUMPHREY WILLIAM E

US31 patents
⚠️ This page may combine multiple inventors who share the name “HUMPHREY WILLIAM E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUMPHREY INSTRUMENTS INC

27 patents
US4732466AMar 22, 1988

Fundus camera

HUMPHREY INSTRUMENTS INC58 citations96
US4420228ADec 13, 1983

Method and apparatus for analysis of corneal shape

HUMPHREY INSTRUMENTS INC65 citations96
US4730910AMar 15, 1988

Wide angle lens system having flare rejection properties

HUMPHREY INSTRUMENTS INC41 citations92
US4675736AJun 23, 1987

Superimposed analog video image on plotted digital field tester display

HUMPHREY INSTRUMENTS INC31 citations92
US4669835AJun 2, 1987

Objective refractor for the eye

HUMPHREY INSTRUMENTS INC31 citations92
US4650301AMar 17, 1987

Objective refractor for the eye

HUMPHREY INSTRUMENTS INC34 citations92
US4640596AFeb 3, 1987

Objective refractor for the eye

HUMPHREY INSTRUMENTS INC35 citations92
US4540254ASep 10, 1985

Keratometer having peripheral light entrance and exit paths

HUMPHREY INSTRUMENTS INC43 citations92
US4199816AApr 22, 1980

Optical calibration apparatus and procedure

HUMPHREY INSTRUMENTS INC38 citations92
US4043644AAug 23, 1977

Elastically compensated off-axis mirror

HUMPHREY INSTRUMENTS INC36 citations92
US4415239ANov 15, 1983

Reflection rejection spherical optical train composed of tipped lens elements

HUMPHREY INSTRUMENTS INC27 citations82
US4407572AOct 4, 1983

Keratometer

HUMPHREY INSTRUMENTS INC20 citations82
US4180325ADec 25, 1979

Lens meter with automated readout

HUMPHREY INSTRUMENTS INC29 citations82
US4098002AJul 4, 1978

Apparatus for locating inter-pupilary of nose bridge mounted spectacles to lens meter

HUMPHREY INSTRUMENTS INC30 citations82
US3947097AMar 30, 1976

Process and apparatus for astigmatic and spherical subjective testing of the eye

HUMPHREY INSTRUMENTS INC23 citations82
US4707090ANov 17, 1987

Objective refractor for the eye

HUMPHREY INSTRUMENTS INC9 citations74
US4607922AAug 26, 1986

Method for aligning an eye examination instrument with the eye under examination

HUMPHREY INSTRUMENTS INC10 citations74
US4561738ADec 31, 1985

Field tester

HUMPHREY INSTRUMENTS INC17 citations74
US4560259ADec 24, 1985

Objective refractor for the eye

HUMPHREY INSTRUMENTS INC7 citations74
US4182572AJan 8, 1980

Lensmeter utilizing non-parallel light

HUMPHREY INSTRUMENTS INC17 citations74
US4130361ADec 19, 1978

Lens meter without relatively moving optical parts

HUMPHREY INSTRUMENTS INC17 citations74
US4113363ASep 12, 1978

Process and apparatus for astigmatic and spherical subjective testing of the eye

HUMPHREY INSTRUMENTS INC17 citations74
US4015899AApr 5, 1977

Eye test apparatus with physician routed patient input adjustment to variable optical elements

HUMPHREY INSTRUMENTS INC18 citations74
US3964818AJun 22, 1976

Remote stereo microscope with field mirror reflected ocular paths

HUMPHREY INSTRUMENTS INC13 citations74
US4739410AApr 19, 1988

Superimposed analog video image on plotted digital field tester display

HUMPHREY INSTRUMENTS INC7 citations73
US5303022AApr 12, 1994

Lensometer with guided lens movement for progressive addition lens

HUMPHREY INSTRUMENTS INC16 citations72
US4189215AFeb 19, 1980

Method and apparatus for the corneal positioning of a patient's eye

HUMPHREY INSTRUMENTS INC2 citations63

OPTIGON RES & DEV CORP

3 patents

HUMPHREY ALLERGAN

1 patent