Philips & Du Pont Optical Company

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New York, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a metal matrix
- Patent number 4,964,958
- Issue date Oct 23, 1990
- Philips & Du Pont Optical Company
- Petrus E. J. Legierse
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Storage cassette for a disc-shaped information carrier
- Patent number 4,916,567
- Issue date Apr 10, 1990
- Philips & Dupont Optical Co.
- Hermann Grobecker
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manfacturing a mould and providing it with a backing and...
- Patent number 4,861,437
- Issue date Aug 29, 1989
- Philips and DuPont Optical Company
- Hermann Koop
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Vacuum apparatus for holding workpieces
- Patent number 4,856,766
- Issue date Aug 15, 1989
- Philips & Du Pont Optical Company
- Petrus A. A. Huberts
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Machine for assembling a container
- Patent number 4,852,327
- Issue date Aug 1, 1989
- Philips and DuPont Optical Company
- Frank Kurkowski
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL