Granted Patent
Utility
US 4,250,510 · App. 06/071,917
Fluid jet device
Inventor:
John L. Dressler
Patented Case
View Patent ↗
Granted: Feb 10, 1981
Filed: Sep 4, 1979
Inventor
John L. Dressler
Assignee (at issue)
The Mead Corporation
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.