Granted Patent
Utility
US 5,111,857 · App. 07/631,387
Center supply tube for a container filling assembly
Inventor:
Robert W. LaWarre, Sr.
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Dec 20, 1990
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.