8 Utility Patents
#20 in Portland, ME
#289 in Maine
#253,457 in US
#518,200 in the World
Forward Citations = 157
Company Filing History:
Contech Stormwater Solutions Inc.

I.s.c. Environmental, Inc.
4. 1 out of 2
Vortechnics, Inc.
where one patent can have more than one assignee
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