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John T. Lee
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N. Charleston, SC, US
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last 30 patents
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Patent Grant
Method and apparatus for grinding and slotting friction products
Patent number
5,384,991
Issue date
Jan 31, 1995
Leinweber Maschinen GmbH & Co. KG
John T. Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL