18 Utility and 1 Design Patents
#137 in Eden Prairie, MN
#3,427 in Minnesota
#98,585 in US
#195,101 in the World
rank by utility patentsForward Citations = 604
Company Filing History:


Cardinal Insulated Glass Co.
4. 1 out of 5
Cardinal Glass Industries, Inc.
5. 1 out of 2
Cardinal Fg Company
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