IP Library Granted Patent US 4,538,157
Granted Patent Utility
US 4,538,157 · App. 06/468,439

Fluid jet printer and method of operation

Inventor: David E. Jones
Patented Case View Patent ↗
Granted: Aug 27, 1985 Filed: Feb 23, 1983
Inventor
David E. Jones
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.

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Quick Facts
Patent No.
US 4,538,157
App. No.
06/468,439
Filed
1983-02-23
Granted
1985-08-27
Kind
A