Granted Patent
Utility
US 4,490,728 · App. 06/415,290
Thermal ink jet printer
Inventors:
John L. Vaught, Frank L. Cloutier, David K. Donald, John D. Meyer, Christopher Tacklind, Howard H. Taub
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Sep 7, 1982
Inventors
John L. Vaught
Frank L. Cloutier
David K. Donald
John D. Meyer
Christopher Tacklind
Howard H. Taub
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.