Granted Patent
Utility
US 5,862,545 · App. 08/931,746
Pressurized flow self-cleaning whirlpool tub system
Inventors:
Cleo D. Mathis, Robert A. Miller
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Sep 16, 1997
Inventors
Cleo D. Mathis
Robert A. Miller
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.