Granted Patent
Utility
US 4,394,938 · App. 06/176,909
Dispenser and package for liquid or granular materials
Inventor:
John R. Frassanito
Patented Case
View Patent ↗
Granted: Jul 26, 1983
Filed: Aug 11, 1980
Inventor
John R. Frassanito
Assignee (at issue)
Sani-Fresh International, Inc.
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.