Granted Patent
Utility
US 4,756,162 · App. 07/040,835
Method of utilizing thermal energy
Inventor:
Abraham Dayan
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Apr 9, 1987
Inventor
Abraham Dayan
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.