Granted Patent
Utility
US 4,506,809 · App. 06/392,327
Dispensing fitment for squeeze bottles
Inventor:
Douglas F. Corsette
Patented Case
View Patent ↗
Granted: Mar 26, 1985
Filed: Jun 25, 1982
Inventor
Douglas F. Corsette
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.