Granted Patent
Utility
US 4,490,729 · App. 06/418,363
Ink jet printer
Inventors:
Frederic L. Clark, David B. Wallace
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Sep 15, 1982
Inventors
Frederic L. Clark
David B. Wallace
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.