West Chester, PA, US
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Patent Grant
Shell Oil Company
David E. Ofstein
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
David E. Ofstein
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Rampart Packaging Inc.
David E. Ofstein
B32 - LAYERED PRODUCTS
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Patent Grant
Rampart Packaging Inc.
David E. Ofstein
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Rampart Packaging Inc.
David E. Ofstein
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
ARCO Chemical Company
Robert J. DiLullo
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Atlantic Richfield Company
David S. Neiditch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Atlantic Richfield Company
David S. Neiditch
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
