21 Utility and 15 Design Patents
#30 in Lincoln, NE
#110 in Nebraska
#79,896 in US
#156,947 in the World
rank by utility patentsForward Citations = 1,211
Company Filing History:
Petersen Manufacturing Co., Inc.

Wmh Tool Group, Inc.
4. 4 out of 25
American Tool Companies, Inc.
5. 2 out of 832,347 patents
Other
where one patent can have more than one assignee
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