Calgary
Canada
4
2015-03-19
The entities that hold a legal rights for patent applications filed by inventor Schmelzl Eric:
Eric Schmelzl from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Downhole isolation and depressurization tool
#2 | 2013-09-26Downhole isolation and depressurization tool
#3 | 2012-03-15Collapsible storage and transportation system
#4 | 2010-10-14Collapsible storage and transportation system
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