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Polygram International Holding B.V.
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New York, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Two-stage injection-molding machine
Patent number
5,700,500
Issue date
Dec 23, 1997
Polygram International Holding B.V.
Henning Wilhelm
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and device for exactly aligning a printing image relative to...
Patent number
5,699,742
Issue date
Dec 23, 1997
Polygram International Holdings B.V.
Harald Ahrens
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Auto reverse cassette deck capable of recording/reproducing with tw...
Patent number
5,404,251
Issue date
Apr 4, 1995
U.S. Philips Corporation
Jozef Duurland
G11 - INFORMATION STORAGE
Information
Patent Grant
Arrangement for obtaining prerecorded digital music cassettes
Patent number
5,243,470
Issue date
Sep 7, 1993
Polygram International Holding
Jozef M. Duurland
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of and arrangement for obtaining prerecorded digital music c...
Patent number
5,148,330
Issue date
Sep 15, 1992
Polygram International Holding B.V.
Jozef M. Duurland
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for the storage and transport of an elongate endless tape
Patent number
5,135,149
Issue date
Aug 4, 1992
Polygram International Holding B.V.
Michiel G. Van Den Dungen
G11 - INFORMATION STORAGE
Information
Patent Grant
Copying apparatus for copying a magnetic pattern from a master magn...
Patent number
4,882,637
Issue date
Nov 21, 1989
Polygram International Holding B.V.
Jozef M. Duurland
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of aligning objects by detecting a reference picture line th...
Patent number
4,868,683
Issue date
Sep 19, 1989
Polygram International Holding B.V.
Dieter Schulz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus drawer for unambiguously receiving a digital audio tape c...
Patent number
4,864,439
Issue date
Sep 5, 1989
Polygram International Holding B.V.
Jozef M. Duurland
G11 - INFORMATION STORAGE
Information
Patent Grant
Cassette with tray ejection means
Patent number
4,805,770
Issue date
Feb 21, 1989
Polygram International Holding B.V.
Hermann Grobecker
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of transmitting audio information and additional information...
Patent number
4,750,173
Issue date
Jun 7, 1988
Polygram International Holding B.V.
Bjorn Bluthgen
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of replenishing and/or preparing treating liquids
Patent number
4,745,690
Issue date
May 24, 1988
Polygram International Holding B.V.
Hermann Koop
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Disc-shaped information carrier and method of manufacturing it
Patent number
4,747,093
Issue date
May 24, 1988
Polygram International Holding B.V.
Karsten Benne
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc-shaped information carrier and method of manufacturing it
Patent number
4,726,006
Issue date
Feb 16, 1988
Polygram International Holding B.V.
Karsten Benne
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc receiving tray and a combination of such a tray with a storage...
Patent number
4,722,439
Issue date
Feb 2, 1988
Polygram International Holding B.V.
Hermann Grobecker
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic-tape cassette with stretched liner arrangement
Patent number
4,681,280
Issue date
Jul 21, 1987
Polygram International Holding B.V.
Jozef M. Duurland
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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