Granted Patent
Utility
US 4,746,035 · App. 06/938,841
Liquid dispenser having a tamperproof overcap
Inventors:
Walter F. C. Anderson, Richard P. Grogan
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Dec 8, 1986
Inventors
Walter F. C. Anderson
Richard P. Grogan
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.