Granted Patent
Utility
US 4,838,460 · App. 07/107,291
Product dispenser having actuator locking collar and shroud
Inventors:
David Moore, Donald D. Foster
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Oct 9, 1987
Inventors
David Moore
Donald D. Foster
Assignee (at issue)
Calmar Holdings 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.