Geothermal heat collector which does not require being buried in the earth
A Standard patent application filed on 12 August 2003 credited to Gilsdorf, Russell H.
Details
Application number :
2003264045
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Geothermal heat collector which does not require being buried in the earth