23 Utility and 10 Design Patents
#6 in Green Bay, WI
#1,033 in Wisconsin
#68,799 in US
#134,234 in the World
rank by utility patentsForward Citations = 316
Company Filing History:
Hoffman Environmental Systems, Inc.
The Hoffman Group, LLC
Waterhill, LLC
4. 3 out of 26

5. 2 out of 830,757 patents
Other
where one patent can have more than one assignee
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