Granted Patent
Utility
US 5,058,632 · App. 07/519,655
Filling valve apparatus
Inventors:
Robert W. LaWarre, Sr., Robert W. LaWarre, Jr.
Patented Case
View Patent ↗
Granted: Oct 22, 1991
Filed: May 7, 1990
Inventors
Robert W. LaWarre, Sr.
Robert W. LaWarre, Jr.
Assignee (at issue)
Precision Metalcraft Corporation
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.