Granted Patent
Utility
US 4,826,083 · App. 07/096,621
Direct injection fluid sprayer
Inventor:
John A. Vanderjagt
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Sep 14, 1987
Inventor
John A. Vanderjagt
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.