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John Gaewsky
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Reading, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for sound storage and retrieval
Patent number
7,333,768
Issue date
Feb 19, 2008
Judith Neely Coltman
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Mobile device with color discrimination
Patent number
7,097,532
Issue date
Aug 29, 2006
Peter Rolicki
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Electronic flash control system for use in a fixed focus lens camer...
Patent number
5,117,252
Issue date
May 26, 1992
Polaroid Corporation
Jennifer K. Ellwood
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Variable color-output strobe for photographic apparatus
Patent number
5,109,248
Issue date
Apr 28, 1992
Polaroid Corporation
Stephanie Petrakos
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Preflash measurement technique
Patent number
4,998,128
Issue date
Mar 5, 1991
Polaroid Corporation
Judith N. Coltman
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Variable color-output strobe
Patent number
4,978,892
Issue date
Dec 18, 1990
Polaroid Corporation
Stephanie Petrakos
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Shutter mechanism drive having reduced mechanical noise
Patent number
4,972,217
Issue date
Nov 20, 1990
Polaroid Corporation
John P. Gaewsky
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electronic flash camera having reduced cycle time
Patent number
4,887,118
Issue date
Dec 12, 1989
Polaroid Corporation
John P. Gaewsky
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Two zone infrared ranging system
Patent number
4,502,773
Issue date
Mar 5, 1985
Polaroid Corporation
John P. Gaewsky
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Audio Message Recorder with Flexible Control
Publication number
20090310760
Publication date
Dec 17, 2009
Judith Neely Coltman
G11 - INFORMATION STORAGE