Granted Patent
Utility
US 5,451,995 · App. 07/994,808
Rigid loop case structure for thermal ink-jet pen
Inventors:
David W. Swanson, James L. Ruder, Timothy J. Carlin
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Dec 22, 1992
Inventors
David W. Swanson
James L. Ruder
Timothy J. Carlin
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.