Granted Patent
Utility
US 4,853,987 · App. 07/095,909
Unitized hydrotherapy jet and pump assembly
Inventor:
William R. Jaworski
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Sep 14, 1987
Inventor
William R. Jaworski
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.