Granted Patent
Utility
US 5,632,903 · App. 08/475,645
High volume self-cleaning filter
Inventor:
Louis D. Caracciolo, Jr.
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: Jun 7, 1995
Inventor
Louis D. Caracciolo, Jr.
Assignee (at issue)
Infinity Research and Development
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.