Granted Patent
Utility
US 5,291,621 · App. 07/820,414
Spa jet assembly
Inventor:
Cleo D. Mathis
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Jan 15, 1992
Inventor
Cleo D. Mathis
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.