Granted Patent
Utility
US 4,221,008 · App. 06/031,858
Swimming pool chair lift
Inventor:
J. E. Nolan
Patented Case
View Patent ↗
Granted: Sep 9, 1980
Filed: Apr 20, 1979
Inventor
J. E. Nolan
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.