Granted Patent
Utility
US 5,085,255 · App. 07/674,460
Filling valve apparatus
Inventors:
Robert W. LaWarre, Sr., Robert W. LaWarre, Jr.
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Mar 25, 1991
Inventors
Robert W. LaWarre, Sr.
Robert W. LaWarre, Jr.
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.