Edwin H. Land

Person

Cambridge, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for preparing light polarizer
- Patent number 4,895,769
- Issue date Jan 23, 1990
- Polaroid Corporation
- Edwin H. Land
- G02 - OPTICS
Information Patent Grant
Planar battery comprising a terminal plate having gas venting orifi...
- Patent number 4,427,748
- Issue date Jan 24, 1984
- Polaroid Corporation
- Edwin H. Land
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Copolymeric mordants
- Patent number 4,424,326
- Issue date Jan 3, 1984
- Polaroid Corporation
- Edwin H. Land
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photosensitive element and method of preparing same
- Patent number 4,366,235
- Issue date Dec 28, 1982
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for forming a photosensitive silver halide element
- Patent number 4,352,874
- Issue date Oct 5, 1982
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multicolor diffusion transfer products
- Patent number 4,329,411
- Issue date May 11, 1982
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copolymeric mordants and photographic products and processes utiliz...
- Patent number 4,322,489
- Issue date Mar 30, 1982
- Polaroid Corporation
- Edwin H. Land
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Color transfer film and process
- Patent number 4,298,674
- Issue date Nov 3, 1981
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Strobe switch with camera control feature
- Patent number 4,291,964
- Issue date Sep 29, 1981
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sound motion picture system having concentrated audio system
- Patent number 4,214,285
- Issue date Jul 22, 1980
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for eliminating undesirable blemishes in coati...
- Patent number 4,198,152
- Issue date Apr 15, 1980
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Compact high voltage battery
- Patent number 4,194,061
- Issue date Mar 18, 1980
- Polaroid Corporation
- Edwin H. Land
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silver diffusion transfer receiving layer comprising gelatin and po...
- Patent number 4,186,015
- Issue date Jan 29, 1980
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver diffusion transfer receiving layer comprising HEC and gelatin
- Patent number 4,186,013
- Issue date Jan 29, 1980
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera having spatially stabilized photocell
- Patent number 4,185,903
- Issue date Jan 29, 1980
- Polaroid Corporation
- Edwin H. Land
- G02 - OPTICS
Information Patent Grant
Strobe without primary storage capacitor
- Patent number 4,184,756
- Issue date Jan 22, 1980
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Translucent screen
- Patent number 4,184,745
- Issue date Jan 22, 1980
- Polaroid Corporation
- Edwin H. Land
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fast charging electronic flash device
- Patent number 4,182,561
- Issue date Jan 8, 1980
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Novel battery anode
- Patent number 4,181,778
- Issue date Jan 1, 1980
- Polaroid Corporation
- Edwin H. Land
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Combination motion picture camera and viewing apparatus
- Patent number 4,179,199
- Issue date Dec 18, 1979
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Movie camera having supplemental exposure
- Patent number 4,172,640
- Issue date Oct 30, 1979
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic processing composition comprising borate
- Patent number 4,168,166
- Issue date Sep 18, 1979
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Translucent screen
- Patent number 4,165,153
- Issue date Aug 21, 1979
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Methods for making electrical cells and batteries
- Patent number 4,161,815
- Issue date Jul 24, 1979
- Polaroid Corporation
- Edwin H. Land
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical cells and batteries
- Patent number 4,125,684
- Issue date Nov 14, 1978
- Polaroid Corporation
- Edwin H. Land
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical cells and batteries and methods and apparatus for making...
- Patent number 4,124,742
- Issue date Nov 7, 1978
- Polaroid Corporation
- Edwin H. Land
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical cells and batteries
- Patent number 4,119,770
- Issue date Oct 10, 1978
- Polaroid Corporation
- Edwin H. Land
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Variable light transmission ophthalmic device
- Patent number 4,099,858
- Issue date Jul 11, 1978
- Polaroid Corporation
- Edwin H. Land
- G02 - OPTICS
Information Patent Grant
Camera with detachable electronic flash unit and exposure control s...
- Patent number 4,096,492
- Issue date Jun 20, 1978
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of making a flanged fluted self-coiling sheet
- Patent number 4,093,696
- Issue date Jun 6, 1978
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Edwin H. Land

Person

Patents Grantslast 30 patents

Method for preparing light polarizer

Planar battery comprising a terminal plate having gas venting orifi...

Copolymeric mordants

Photosensitive element and method of preparing same

Method for forming a photosensitive silver halide element

Multicolor diffusion transfer products

Copolymeric mordants and photographic products and processes utiliz...

Color transfer film and process

Strobe switch with camera control feature

Sound motion picture system having concentrated audio system

Method and apparatus for eliminating undesirable blemishes in coati...

Compact high voltage battery

Silver diffusion transfer receiving layer comprising gelatin and po...

Silver diffusion transfer receiving layer comprising HEC and gelatin

Camera having spatially stabilized photocell

Strobe without primary storage capacitor

Translucent screen

Fast charging electronic flash device

Novel battery anode

Combination motion picture camera and viewing apparatus

Movie camera having supplemental exposure

Photographic processing composition comprising borate

Translucent screen

Methods for making electrical cells and batteries

Electrical cells and batteries

Electrical cells and batteries and methods and apparatus for making...

Electrical cells and batteries

Variable light transmission ophthalmic device

Camera with detachable electronic flash unit and exposure control s...

Method of making a flanged fluted self-coiling sheet