89 Utility and 15 Design Patents
#2 in Sioux Falls, SD
#2 in South Dakota
#6,820 in US
#12,332 in the World
rank by utility patentsForward Citations = 1,499
Company Filing History:



4. 2 out of 2,905

5. 1 out of 112

where one patent can have more than one assignee
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