Granted Patent
Utility
US 4,305,368 · App. 06/041,280
Apparatus for venting fuel vapors
Inventors:
Michael B. Phelan, Larry J. Tipton
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: May 21, 1979
Inventors
Michael B. Phelan
Larry J. Tipton
Assignee (at issue)
ACF Industries Incorporated
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.