Granted Patent
Utility
US 4,862,708 · App. 07/192,267
Osmotic thermal engine
Inventor:
Algerd Basiulis
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: May 10, 1988
Inventor
Algerd Basiulis
Assignee (at issue)
Hughes Aircraft Company
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.