Rolf Rolles

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New Kensington, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods of and apparatus for producing biaxially oriented polymer p...
- Patent number 4,956,140
- Issue date Sep 11, 1990
- Aluminum Company of America ALCOA Laboratories
- Rolf Rolles
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Thermal reduction process for production of magnesium
- Patent number 4,478,637
- Issue date Oct 23, 1984
- Aluminum Company of America
- Roy A. Christini
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metal-pigmented plastic powder
- Patent number 4,197,351
- Issue date Apr 8, 1980
- Aluminum Company of America
- Rolf Rolles
- B44 - DECORATIVE ARTS
Information Patent Grant
Method of producing glossy or frosted powder coatings
- Patent number 4,138,511
- Issue date Feb 6, 1979
- Aluminum Company of America
- Rolf Rolles
- B44 - DECORATIVE ARTS
Information Patent Grant
Metal-pigmented plastic powder and process
- Patent number 4,003,872
- Issue date Jan 18, 1977
- Aluminum Company of America
- Rolf Rolles
- B44 - DECORATIVE ARTS