Paul L. Ruben

Person

Penfield, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wide-angle view eyeglasses
- Patent number 6,254,233
- Issue date Jul 3, 2001
- Anthony Prestandrea
- G02 - OPTICS
Information Patent Grant
Real-image viewfinder with stationary and movable real image planes
- Patent number 5,915,136
- Issue date Jun 22, 1999
- Eastman Kodak Company
- Paul L. Ruben
- G02 - OPTICS
Information Patent Grant
Imaging system to combine disparate fields of view
- Patent number 5,581,409
- Issue date Dec 3, 1996
- Republic Lens Co., Inc.
- Paul L. Ruben
- G02 - OPTICS
Information Patent Grant
Compact small format zoom lens
- Patent number 5,537,254
- Issue date Jul 16, 1996
- Eastman Kodak Company
- Paul L. Ruben
- G02 - OPTICS
Information Patent Grant
Macrolens system for emission microscopy
- Patent number 5,500,770
- Issue date Mar 19, 1996
- Amarel Precision Instruments
- J. Robert Zinter
- G02 - OPTICS
Information Patent Grant
Photographic play set having improved lighting
- Patent number 5,475,460
- Issue date Dec 12, 1995
- Eastman Kodak Company
- Stanley W. Stephenson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Zoom camera lens having three moving groups
- Patent number 5,461,512
- Issue date Oct 24, 1995
- Eastman Kodak Company
- Paul L. Ruben
- G02 - OPTICS
Information Patent Grant
Zoom viewfinder with non-rectangular window
- Patent number 5,335,034
- Issue date Aug 2, 1994
- Eastman Kodak Company
- Alan E. Lewis
- G02 - OPTICS
Information Patent Grant
Lensless camera viewfinder
- Patent number 5,335,033
- Issue date Aug 2, 1994
- Eastman Kodak Company
- Paul L. Ruben
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Adaptor for overhead projector
- Patent number 5,331,360
- Issue date Jul 19, 1994
- Eastman Kodak Company
- Paul L. Ruben
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Zoom viewfinder with fixed size moving window
- Patent number 5,300,977
- Issue date Apr 5, 1994
- Eastman Kodak Company
- Alan E. Lewis
- G02 - OPTICS
Information Patent Grant
Real image viewfinder requiring no field lens
- Patent number 5,241,337
- Issue date Aug 31, 1993
- Eastman Kodak Company
- Ellis I. Betensky
- G02 - OPTICS
Information Patent Grant
Real image zoom viewfinder
- Patent number 5,182,592
- Issue date Jan 26, 1993
- Eastman Kodak Company
- Ellis I. Betensky
- G02 - OPTICS
Information Patent Grant
Optical system with improved field mask
- Patent number 5,155,517
- Issue date Oct 13, 1992
- Eastman Kodak Company
- Ellis I. Bentensky
- G02 - OPTICS
Information Patent Grant
Real image viewfinder
- Patent number 5,130,845
- Issue date Jul 14, 1992
- Eastman Kodak Company
- Paul L. Ruben
- G02 - OPTICS
Information Patent Grant
Camera
- Patent number 4,949,117
- Issue date Aug 14, 1990
- Eastman Kodak Company
- Roger S. Van Heyningen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic flash device
- Patent number 4,821,053
- Issue date Apr 11, 1989
- Eastman Kodak Company
- David R. Dowe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Zoom projection lens
- Patent number 3,972,592
- Issue date Aug 3, 1976
- Eastman Kodak Company
- Paul Lewis Ruben
- G02 - OPTICS
Information Patent Grant
Three element objective lens with ellipsoidal, hyperbolic, and para...
- Patent number 3,944,337
- Issue date Mar 16, 1976
- Eastman Kodak Company
- Paul Lewis Ruben
- G02 - OPTICS

Paul L. Ruben

Person

Patents Grantslast 30 patents

Wide-angle view eyeglasses

Real-image viewfinder with stationary and movable real image planes

Imaging system to combine disparate fields of view

Compact small format zoom lens

Macrolens system for emission microscopy

Photographic play set having improved lighting

Zoom camera lens having three moving groups

Zoom viewfinder with non-rectangular window

Lensless camera viewfinder

Adaptor for overhead projector

Zoom viewfinder with fixed size moving window

Real image viewfinder requiring no field lens

Real image zoom viewfinder

Optical system with improved field mask

Real image viewfinder

Camera

Photographic flash device

Zoom projection lens

Three element objective lens with ellipsoidal, hyperbolic, and para...