Granted Patent
Utility
US 5,072,860 · App. 07/500,126
Anti-loosening snap-fit cap for dispenser
Inventors:
Douglas B. Dobbs, Richard P. Grogan, Elio Hernandez
Patented Case
View Patent ↗
Granted: Dec 17, 1991
Filed: Mar 28, 1990
Inventors
Douglas B. Dobbs
Richard P. Grogan
Elio Hernandez
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.