Granted Patent
Utility
US 4,951,875 · App. 07/245,910
Diposable liner system for spray guns
Inventor:
Daniel A. Devey
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Sep 19, 1988
Inventor
Daniel A. Devey
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.