Granted Patent
Utility
US 5,322,222 · App. 07/956,389
Spiral jet fluid mixer
Inventor:
W. Gerald Lott
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Oct 5, 1992
Inventor
W. Gerald Lott
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.