Jerry Leff

Person

Saratoga, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method of forming and projecting high precision optic...
- Patent number 5,085,506
- Issue date Feb 4, 1992
- Greyhawk Systems, Inc.
- Frederic J. Kahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Biphenyl derivatives for photostabilization in pulsed optical darke...
- Patent number 5,080,467
- Issue date Jan 14, 1992
- Greyhawk Systems, Inc.
- Frederic J. Kahn
- G02 - OPTICS
Information Patent Grant
Apparatus and method of forming and projecting high precision optic...
- Patent number 4,969,734
- Issue date Nov 13, 1990
- Greyhawk Systems, Inc.
- Frederic J. Kahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method of forming and projecting high precision optic...
- Patent number 4,818,098
- Issue date Apr 4, 1989
- Sharp Corporation
- Frederic J. Kahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid crystal cell for image projections and method of operating same
- Patent number 4,799,770
- Issue date Jan 24, 1989
- Greyhawk Systems, Inc.
- Frederick J. Kahn
- G02 - OPTICS
Information Patent Grant
Alignment layer orientation in raster scan thermally addressed smec...
- Patent number 4,585,310
- Issue date Apr 29, 1986
- International Business Machines Corporation
- Nicholas J. Clecak
- G02 - OPTICS
Information Patent Grant
Single level masking process with two positive photoresist layers
- Patent number 4,088,490
- Issue date May 9, 1978
- International Business Machines Corporation
- Peter J. Duke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Person

Patents Grantslast 30 patents

Apparatus and method of forming and projecting high precision optic...

Biphenyl derivatives for photostabilization in pulsed optical darke...

Apparatus and method of forming and projecting high precision optic...

Apparatus and method of forming and projecting high precision optic...

Liquid crystal cell for image projections and method of operating same

Alignment layer orientation in raster scan thermally addressed smec...

Single level masking process with two positive photoresist layers