Granted Patent
Utility
US 4,424,919 · App. 06/315,897
Dispenser having plunger locking means
Inventors:
Donald E. Knox, Douglas F. Corsette, Ronald A. Meyer
Patented Case
View Patent ↗
Granted: Jan 10, 1984
Filed: Oct 28, 1981
Inventors
Donald E. Knox
Douglas F. Corsette
Ronald A. Meyer
Assignee (at issue)
Diamond International Corporation
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.