Melvyn H. Kreitzer

Person

Cincinnati, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Zoom lens optical system
- Patent number 9,479,686
- Issue date Oct 25, 2016
- Melvyn H Kreitzer
- G02 - OPTICS
Information Patent Grant
LED light for examinations and procedures
- Patent number 8,872,435
- Issue date Oct 28, 2014
- Midmark Corporation
- Melvyn H. Kreitzer
- F21 - LIGHTING
Information Patent Grant
Projection lenses having color-correcting rear lens units
- Patent number 7,230,770
- Issue date Jun 12, 2007
- 3M Innovative Properties Company
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Foldable projection lenses
- Patent number 7,145,729
- Issue date Dec 5, 2006
- 3M Innovative Properties Company
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Folded, telecentric projection lenses for use with pixelized panels
- Patent number 6,853,493
- Issue date Feb 8, 2005
- 3M Innovative Properties Company
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Color corrected projection lenses employing diffractive optical sur...
- Patent number 6,529,336
- Issue date Mar 4, 2003
- U.S. Precision Lens Incorporated
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Projection lenses for use with reflective pixelized panels
- Patent number 6,476,974
- Issue date Nov 5, 2002
- Corning Precision Lens Incorporated
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
High speed retrofocus projection television lens systems
- Patent number 6,301,056
- Issue date Oct 9, 2001
- Corning Precision Lens
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Long focal length projection lenses
- Patent number 6,301,057
- Issue date Oct 9, 2001
- Corning Precision Lens
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Projection lenses having reduced lateral color for use with pixeliz...
- Patent number 6,195,209
- Issue date Feb 27, 2001
- U.S. Precision Lens Incorporated
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Focus corrector for zoom projection lenses used with pixelized panels
- Patent number 6,169,636
- Issue date Jan 2, 2001
- U.S. Precision Lens Incorporated
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Focusable, color corrected, high performance projection lens systems
- Patent number 6,141,154
- Issue date Oct 31, 2000
- U.S. Precision Lens Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Lenses for electronic imaging systems
- Patent number 6,097,551
- Issue date Aug 1, 2000
- U.S. Precision Lens Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Projection lenses for use with large pixelized panels
- Patent number 6,023,375
- Issue date Feb 8, 2000
- U.S. Precision Lens Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Long focal length projection lenses for use with large pixelized pa...
- Patent number 5,991,089
- Issue date Nov 23, 1999
- U.S. Precision Lens Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Projection lenses having large back focal length to focal length ra...
- Patent number 5,969,876
- Issue date Oct 19, 1999
- U.S. Precision Lens Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Athermal LCD projection lens
- Patent number 5,963,375
- Issue date Oct 5, 1999
- U.S. Precision Lens Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Focusable front projection lens systems for use with large screen f...
- Patent number 5,936,776
- Issue date Aug 10, 1999
- U.S. Precision Lens Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Zoom projection lenses for use with pixelized panels
- Patent number 5,900,987
- Issue date May 4, 1999
- U.S. Precision Lens Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Mini-zoom projection lenses for use with pixelized panels
- Patent number 5,900,989
- Issue date May 4, 1999
- U.S. Precision Lens Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Projection lenses having larger back focal length to focal length r...
- Patent number 5,870,228
- Issue date Feb 9, 1999
- U.S. Precision Lens Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Variable power lens systems for producing small images
- Patent number 5,745,301
- Issue date Apr 28, 1998
- BenOpcon, Inc.
- Ellis I. Betensky
- G02 - OPTICS
Information Patent Grant
Zoom lens with short back focal length
- Patent number RE35775
- Issue date Apr 21, 1998
- Ellis I. Betensky
- 359 - Optical: systems and elements
Information Patent Grant
Zoom lens having weak front lens group
- Patent number 5,493,448
- Issue date Feb 20, 1996
- Eastman Kodak Company
- Ellis I. Betensky
- G02 - OPTICS
Information Patent Grant
High performance, thermally-stabilized projection television lens s...
- Patent number 5,455,713
- Issue date Oct 3, 1995
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Zoom lens having weak front lens group
- Patent number 5,315,440
- Issue date May 24, 1994
- Eastman Kodak Company
- Ellis I. Betensky
- G02 - OPTICS
Information Patent Grant
Hybrid, color-corrected, projection TV lens system
- Patent number 5,309,283
- Issue date May 3, 1994
- U.S. Precision Lens Incorporated
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 5,268,792
- Issue date Dec 7, 1993
- Eastman Kodak Company
- Melvyn Kreitzer
- G02 - OPTICS
Information Patent Grant
Zoom lens with short back focal length
- Patent number 4,936,661
- Issue date Jun 26, 1990
- Opcon Associates, Inc.
- Ellis I. Betensky
- G02 - OPTICS
Information Patent Grant
Color corrected projection lens
- Patent number 4,900,139
- Issue date Feb 13, 1990
- U.S. Precision Lens, Inc.
- Melvyn H. Kreitzer
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ZOOM LENS OPTICAL SYSTEM
- Publication number 20150234149
- Publication date Aug 20, 2015
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Application
LED Light For Examinations And Procedures
- Publication number 20130069549
- Publication date Mar 21, 2013
- Midmark Corporation
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Application
Foldable projection lenses
- Publication number 20060028738
- Publication date Feb 9, 2006
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Application
Projection lenses having color-correcting rear lens units
- Publication number 20060028739
- Publication date Feb 9, 2006
- 3M Innovative Properties Company
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Application
Projection lenses having color-correcting rear lens units
- Publication number 20060028741
- Publication date Feb 9, 2006
- 3M Innovative Properties Company
- Melvyn H. Kreitzer
- G02 - OPTICS
Information Patent Application
FOLDED, TELECENTRIC PROJECTION LENSES FOR USE WITH PIXELIZED PANELS
- Publication number 20040130799
- Publication date Jul 8, 2004
- Melvyn H. Kreitzer
- G02 - OPTICS

Melvyn H. Kreitzer

Person

Patents Grantslast 30 patents

Zoom lens optical system

LED light for examinations and procedures

Projection lenses having color-correcting rear lens units

Foldable projection lenses

Folded, telecentric projection lenses for use with pixelized panels

Color corrected projection lenses employing diffractive optical sur...

Projection lenses for use with reflective pixelized panels

High speed retrofocus projection television lens systems

Long focal length projection lenses

Projection lenses having reduced lateral color for use with pixeliz...

Focus corrector for zoom projection lenses used with pixelized panels

Focusable, color corrected, high performance projection lens systems

Lenses for electronic imaging systems

Projection lenses for use with large pixelized panels

Long focal length projection lenses for use with large pixelized pa...

Projection lenses having large back focal length to focal length ra...

Athermal LCD projection lens

Focusable front projection lens systems for use with large screen f...

Zoom projection lenses for use with pixelized panels

Mini-zoom projection lenses for use with pixelized panels

Projection lenses having larger back focal length to focal length r...

Variable power lens systems for producing small images

Zoom lens with short back focal length

Zoom lens having weak front lens group

High performance, thermally-stabilized projection television lens s...

Zoom lens having weak front lens group

Hybrid, color-corrected, projection TV lens system

Zoom lens

Zoom lens with short back focal length

Color corrected projection lens

Patents Applicationslast 30 patents

ZOOM LENS OPTICAL SYSTEM

LED Light For Examinations And Procedures

Foldable projection lenses

Projection lenses having color-correcting rear lens units

Projection lenses having color-correcting rear lens units

FOLDED, TELECENTRIC PROJECTION LENSES FOR USE WITH PIXELIZED PANELS