Granted Patent
Utility
US 4,679,712 · App. 06/705,240
Orifice cover slide actuator lock for viscous product dispenser
Inventors:
Donald D. Foster, David Moore
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Feb 25, 1985
Inventors
Donald D. Foster
David Moore
Assignee (at issue)
Realex 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.