Granted Patent
Utility
US 4,524,285 · App. 06/577,201
Hydro-current energy converter
Inventor:
Hans Rauch
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Feb 6, 1984
Inventor
Hans Rauch
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.