Granted Patent
Utility
US 5,111,970 · App. 07/667,870
Fluid dispenser having a removable sealing diaphragm
Inventors:
Christopher C. Rutter, Terry Quashnick
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Mar 12, 1991
Inventors
Christopher C. Rutter
Terry Quashnick
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.