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Robert A. Vystreil
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Garrettsville, OH, US
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last 30 patents
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Patent Grant
Control circuitry for enabling drive system for vacuum cleaner
Patent number
7,000,285
Issue date
Feb 21, 2006
Royal Appliance Mfg. Co.
Michael P. Conner
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...