Granted Patent
Utility
US 4,618,077 · App. 06/587,070
Liquid dispensing pump
Inventor:
Douglas F. Corsette
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Mar 7, 1984
Inventor
Douglas F. Corsette
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.