4 Utility and 15 Design Patents
#43 in Minneapolis, MN
#212 in Minnesota
#7,900 in US
#13,865 in the World
rank by design patentsForward Citations = 405
Company Filing History:



4. 2 out of 102
Berol Corporation
5. 2 out of 40
Atwood Industries, Inc.
where one patent can have more than one assignee
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