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Paul A. S. Charles
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Rockford, IL, US
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last 30 patents
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Patent Grant
Method of generating involute tooth forms with a milling cutter
Patent number
4,565,474
Issue date
Jan 21, 1986
The Ingersoll Milling Machine Company
Paul A. S. Charles
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Tape-laying head
Patent number
4,508,584
Issue date
Apr 2, 1985
The Ingersoll Milling Machine Company
Paul A. S. Charles
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Solar heat collector with channeled panel
Patent number
4,201,194
Issue date
May 6, 1980
Paul A. S. Charles
F24 - HEATING RANGES VENTILATING
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Patent Grant
Filtering elements
Patent number
4,162,549
Issue date
Jul 31, 1979
Royal Flush (1979) Inc.
Paul A. S. Charles
E03 - WATER SUPPLY SEWERAGE