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Berton G. Whited
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Des Moines, IA, US
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last 30 patents
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Processor-based process control system with intuitive programming c...
Patent number
6,272,398
Issue date
Aug 7, 2001
Siebolt Hettinga
Richard D. Osborne
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL