Granted Patent
Utility
US 4,257,052 · App. 06/088,979
Molded orifice plate assembly for an ink jet recorder and method of manufacture
Inventor:
Leonard G. Stoneburner
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: Oct 29, 1979
Inventor
Leonard G. Stoneburner
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.