Granted Patent
Utility
US 4,346,388 · App. 06/159,016
Ink jet fluid supply system
Inventor:
Robert A. Wiley
Patented Case
View Patent ↗
Granted: Aug 24, 1982
Filed: Jun 13, 1980
Inventor
Robert A. Wiley
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.