Company Badge
USPTO Data Jan 1 1976 - Jan 6 2026
2 Patents
#167 in Grand Rapids, MI
#3,129 in Michigan
#92,695 in US
Exergy Engineering LLC
Forward Citations = 1
4 inventors:
Grand Rapids, MI, United States of America
Exergy Engineering LLC
Trademarks = 1
Forward Citations = 1
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4 inventors (with patents filed for the assignee):
Mike Van Allsburg (2 out of 3 patents)
Philip J DeVries (2 out of 2 patents)
Randall Clare Harkema (2 out of 6 patents)
4. Gregg R Spoolstra (1 out of 2 patents)
5. Philip J Devries (0 patent)
2 patents:
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