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Charles M. Lewis
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Springfield, MO, US
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last 30 patents
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Patent Grant
Polyketone elastomer
Patent number
5,319,067
Issue date
Jun 7, 1994
Dayco Products, Inc.
Charles M. Lewis
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reaction injection moldable (RIM) thermoset polyimide elastomers
Patent number
5,230,666
Issue date
Jul 27, 1993
Dayco Products, Inc.
Charles M. Lewis
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Reaction injection moldable (RIM) thermoset polyimide elastomers
Patent number
5,194,567
Issue date
Mar 16, 1993
Dayco Products, Inc.
Charles M. Lewis
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Power transmission belts prepared from polyimide and polyketone ela...
Patent number
5,006,627
Issue date
Apr 9, 1991
Dayco Products, Inc.
Charles M. Lewis
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic elastomeric polyimide linked by oligomeric thio chain
Patent number
4,983,705
Issue date
Jan 8, 1991
Dayco Products, Inc.
Charles M. Lewis
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reaction injection moldable (rim) thermoset polyimide, and polyketo...
Patent number
4,959,444
Issue date
Sep 25, 1990
Dayco Products, Inc.
Charles M. Lewis
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chain belt construction, load block therefor and methods for making...
Patent number
4,690,665
Issue date
Sep 1, 1987
Dayco Products, Inc.
Larry R. Oliver
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...