Granted Patent
Utility
US 5,860,708 · App. 08/891,477
Contaminant excluding hubcap vent plug
Inventors:
Daylen Borders, Paul S. Perry
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Jul 11, 1997
Inventors
Daylen Borders
Paul S. Perry
Assignee (at issue)
STEMCO CO., LTD.
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.