11 Utility and 1 Design Patents
#15 in Duluth, MN
#5,982 in Minnesota
#179,574 in US
#363,721 in the World
rank by utility patentsForward Citations = 344
Company Filing History:
Other
Addco Manufacturing, Inc.
Olaf Industries, Inc.
4. 1 out of 4
Addco, Inc.
5. 1 out of 1
Design Pro of Duluth, Inc.
where one patent can have more than one assignee
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