Granted Patent
Utility
US 6,736,273 · App. 10/071,865
Filter for fluids, especially fuels
Inventor:
Antonio Chiga
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Feb 8, 2002
Inventor
Antonio Chiga
Assignee (at issue)
Filtertek 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.