43 Utility and 16 Design Patents
#1 in N. Olmsted, OH
#649 in Ohio
#26,331 in US
#49,757 in the World
rank by utility patentsForward Citations = 1,698
Company Filing History:
Royal Appliance Mfg., Co.

Mh Gopower Company Limited
4. 3 out of 7

5. 2 out of 121

where one patent can have more than one assignee
Get your Inventor Badge Today