Granted Patent
Utility
US 4,738,398 · App. 06/890,277
Sprayer having induced air assist
Inventor:
Douglas F. Corsette
Patented Case
View Patent ↗
Granted: Apr 19, 1988
Filed: Jul 29, 1986
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.