Fergus
Canada
4
2015-06-04
The entities that hold a legal rights for patent applications filed by inventor Godwin Harold Emerson:
Harold Emerson Godwin from Fergus, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
EXTERNAL HEAT ENGINES
#2 | 2014-06-05LOW DIFFERENTIAL TEMPERATURE ROTARY ENGINES
#3 | 2013-01-03Rotary gravity engine utilizing volatile material and low temperature heat sources
#4 | 2011-02-24Low differential temperature rotary engines
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