Granted Patent
Utility
US 4,826,084 · App. 06/912,791
Sheathed jet fluid dispersing apparatus
Inventor:
Norman R. Wallace
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Sep 26, 1986
Inventor
Norman R. Wallace
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.