71 Utility and 33 Design Patents
#2 in Twinsburg, OH
#247 in Ohio
#10,535 in US
#19,335 in the World
rank by utility patentsForward Citations = 2,212
Company Filing History:

Royal Appliance Mfg., Co.




4. 6 out of 179
Oms Investments, Inc.
5. 5 out of 15

where one patent can have more than one assignee
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