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Victor B. van Blerk
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San Jose, CA, US
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last 30 patents
Information
Patent Grant
Temperature/humidity indicator for a floppy disk cassette
Patent number
4,860,143
Issue date
Aug 22, 1989
Verbatim Corp.
Victor B. van Blerk
G11 - INFORMATION STORAGE
Information
Patent Grant
Temperature/humidity floppy disk cassette defeat mechanism
Patent number
4,839,752
Issue date
Jun 13, 1989
Verbatim Corporation
Victor B. van Blerk
G11 - INFORMATION STORAGE
Information
Patent Grant
Dust control method and apparatus
Patent number
4,723,150
Issue date
Feb 2, 1988
Ricoh Company, Ltd.
Arthur C. Lutus
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Wiping system for magnetic recording disks
Patent number
4,648,002
Issue date
Mar 3, 1987
Verbatim Corporation
Edward Mroz
G11 - INFORMATION STORAGE
Information
Patent Grant
Automatic azimuth angle adjustment head mounting structure
Patent number
4,599,667
Issue date
Jul 8, 1986
Verbatim Corporation
Victor B. van Blerk
G11 - INFORMATION STORAGE
Information
Patent Grant
Electrophotographic copying apparatus including transfer charge cor...
Patent number
4,575,216
Issue date
Mar 11, 1986
Ricoh Company, Ltd.
Richard D. Hebert
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic copying apparatus and method of use including e...
Patent number
4,572,655
Issue date
Feb 25, 1986
Ricoh Systems, Inc.
Elden R. Morrison
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic copying apparatus including drum conditioning a...
Patent number
4,538,900
Issue date
Sep 3, 1985
Ricoh Company, Ltd.
Arthur C. Lutus
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic copying apparatus including toner cleaning arra...
Patent number
4,519,699
Issue date
May 28, 1985
Ricoh Company, Ltd.
Edward F. Mayer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Wheel alignment system and method
Patent number
4,383,370
Issue date
May 17, 1983
Nortron Corporation
Victor B. Van Blerk
G01 - MEASURING TESTING
Information
Patent Grant
System and method for calibrating wheel alignment system sensors
Patent number
4,204,333
Issue date
May 27, 1980
Nortron Corporation
Victor B. van Blerk
G01 - MEASURING TESTING