152 Utility and 1 Design Patents
#1 in Roseville, MN
#65 in Minnesota
#2,216 in US
#3,862 in the World
rank by utility patentsForward Citations = 901
Company Filing History:






4. 4 out of 16,014

5. 2 out of 831,952 patents
Other
where one patent can have more than one assignee
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