New Castle, DE, US
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Patent Grant
EF Technologies, Inc.
William E. Groft
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
EF Technologies, Inc.
William E. Groft
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Application
EF Technologies, Inc.
William E. Groft
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
