Granted Patent
Utility
US 6,230,549 · App. 09/530,153
Hand-held fuel cap leakage tester
Inventor:
Robert S. Harris
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Apr 25, 2000
Inventor
Robert S. Harris
Assignee (at issue)
Stant Manufacturing 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.