Granted Patent
Utility
US 4,948,014 · App. 07/263,007
Two piece valved fluid dispenser
Inventors:
Christopher C. Rutter, Lee H. Laiterman
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Oct 26, 1988
Inventors
Christopher C. Rutter
Lee H. Laiterman
Assignee (at issue)
RAPAK, LLC
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.