PHILIPS AND DU PONT OPTICAL COMPANY

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NIEUWEGEIN, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for recording signals on a record carrier, mea...
- Patent number 5,623,472
- Issue date Apr 22, 1997
- U.S. Philips Corp.
- Johannes L. Bakx
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for transmitting an information signal togethe...
- Patent number 5,150,113
- Issue date Sep 22, 1992
- Philips and Du Pont Optical Company
- Bjorn Bluthgen
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus for scanning a disc, and suction device for holding a dis...
- Patent number 5,150,353
- Issue date Sep 22, 1992
- Philips and Du Pont Optical Company
- Thomas M. Schnorr
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and device for removing a flexible product from a carrier plate
- Patent number 5,133,824
- Issue date Jul 28, 1992
- Philips and Du Pont Optical Company
- Petrus A. A. Huberts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Storage cassette for a disc having a center hole
- Patent number 5,101,971
- Issue date Apr 7, 1992
- Philips and Dupont Optical Company
- Hermann Grobecker
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73624680 - PDO
- Serial number 73624680
- Registration number 1583363
- Filing date Oct 8, 1986
- PHILIPS AND DU PONT OPTICAL COMPANY
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments