Granted Patent
Utility
US 5,293,663 · App. 08/064,709
Fluid cleaning system
Inventor:
Timothy J. McCullough
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: May 19, 1993
Inventor
Timothy J. McCullough
Assignee (at issue)
Food Industry Equipment International, Inc.
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.