Granted Patent
Utility
US 4,387,748 · App. 06/316,218
Can filling nozzle head
Inventor:
Hugh L. White
Patented Case
View Patent ↗
Granted: Jun 14, 1983
Filed: Oct 29, 1981
Inventor
Hugh L. White
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.