Granted Patent
Utility
US 5,209,274 · App. 07/744,317
Filling valve apparatus having shortened vent tube
Inventor:
Robert W. LaWarre, Sr.
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Aug 13, 1991
Inventor
Robert W. LaWarre, Sr.
Assignee (at issue)
LaWarre Precision Technologies 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.