7 Utility and 3 Design Patents
#63 in Copley, OH
#9,682 in Ohio
#291,220 in US
#599,302 in the World
rank by utility patentsForward Citations = 128
Company Filing History:
Royal Appliance Mfg., Co.
Royal Appliance Manufacturing Company
Telxon Corporation
4. 1 out of 1,180

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