POLYGRAM S.A.

Organization

75016 Paris, FR

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Storage cassette for high storage density, disc-shaped information...
- Patent number 4,874,085
- Issue date Oct 17, 1989
- Polygram GmbH
- Hermann Grobecker
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Arrangement for error detection for disc-shaped information carriers
- Patent number 4,665,513
- Issue date May 12, 1987
- Polygram GmbH
- Rolf Wengler
- G07 - CHECKING-DEVICES
Information Patent Grant
Optically readable, high storage density, information carrier
- Patent number 4,658,392
- Issue date Apr 14, 1987
- Polygram GmbH
- Horst-Christian Langowski
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc-shaped, optically-readable information carrier having a protec...
- Patent number 4,633,458
- Issue date Dec 30, 1986
- Polygram GmbH
- Volkmar Tiefensee
- G11 - INFORMATION STORAGE
Information Patent Grant
Conveyor system for disc magazine having an identifier disc
- Patent number 4,613,751
- Issue date Sep 23, 1986
- Polygram GmbH
- Klaus D. Drechsler
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage cassette for two or more disk-shaped high memory density in...
- Patent number 4,535,888
- Issue date Aug 20, 1985
- Polygram GmbH
- Frederik B. Nusselder
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method for eliminating unwanted acoustic signals in audio programs...
- Patent number 4,501,014
- Issue date Feb 19, 1985
- Polygram GmbH
- Bjorn Bluthgen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for encoding analog signals
- Patent number 4,453,158
- Issue date Jun 5, 1984
- Polygram GmbH
- Bjoern Bluethgen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for the joining, or mixing-in or fade-in of two audio digita...
- Patent number 4,445,149
- Issue date Apr 24, 1984
- Polygram GmbH
- Bjoern Bluethgen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for encoding analog signals using PCM difference code word f...
- Patent number 4,438,522
- Issue date Mar 20, 1984
- Polygram GmbH
- Bjoern Bluethgen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for manufacturing disk-shaped information carriers
- Patent number 4,409,169
- Issue date Oct 11, 1983
- Polygram GmbH
- Dieter Bartholdsten
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Centering device for the manufacture of a center hole in disks
- Patent number 4,367,952
- Issue date Jan 11, 1983
- Polygram GmbH
- Harald Ahrens
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital synchronizing system
- Patent number 4,361,898
- Issue date Nov 30, 1982
- Polygram GmbH
- Frank A. Griffiths
- G11 - INFORMATION STORAGE
Information Patent Grant
Anode case for a galvanic bath
- Patent number 4,342,635
- Issue date Aug 3, 1982
- Polygram GmbH
- Joahann Becker
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Device for the measurement of acoustic reverberation time and method
- Patent number 4,272,990
- Issue date Jun 16, 1981
- Polygram GmbH
- Klaus Hiemann
- G01 - MEASURING TESTING
Information Patent Grant
Process for producing a disc-shaped information carrier which has i...
- Patent number 4,179,532
- Issue date Dec 18, 1979
- Polygram GmbH
- Horst Soeding
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc-shaped information carrier having information in the form of a...
- Patent number 4,126,726
- Issue date Nov 21, 1978
- Polygram GmbH
- Horst Soeding
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74075203 - LE MYSTERE DES VOIX BULGARES
- Serial number 74075203
- Registration number 1676612
- Filing date Jun 28, 1990
- POLYGRAM S.A.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74075201 - LE MYSTERE DES VOIX BULGARES
- Serial number 74075201
- Registration number 1686799
- Filing date Jun 28, 1990
- POLYGRAM S.A.
- 41 - Education

POLYGRAM S.A.

Organization

Patents Grantslast 30 patents

Storage cassette for high storage density, disc-shaped information...

Arrangement for error detection for disc-shaped information carriers

Optically readable, high storage density, information carrier

Disc-shaped, optically-readable information carrier having a protec...

Conveyor system for disc magazine having an identifier disc

Storage cassette for two or more disk-shaped high memory density in...

Method for eliminating unwanted acoustic signals in audio programs...

Method for encoding analog signals

Method for the joining, or mixing-in or fade-in of two audio digita...

Method for encoding analog signals using PCM difference code word f...

Method for manufacturing disk-shaped information carriers

Centering device for the manufacture of a center hole in disks

Digital synchronizing system

Anode case for a galvanic bath

Device for the measurement of acoustic reverberation time and method

Process for producing a disc-shaped information carrier which has i...

Disc-shaped information carrier having information in the form of a...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

74075203 - LE MYSTERE DES VOIX BULGARES

74075201 - LE MYSTERE DES VOIX BULGARES