Granted Patent
Utility
US 5,634,229 · App. 08/514,419
Swiming pool cleaner
Inventor:
Herman Stoltz
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Aug 11, 1995
Inventor
Herman Stoltz
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.