Granted Patent
Utility
US 5,515,092 · App. 07/994,807
Two material frame having dissimilar properties for thermal ink-jet cartridge
Inventors:
David W. Swanson, Mindy A. Hamlin, James G. Salter
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Dec 22, 1992
Inventors
David W. Swanson
Mindy A. Hamlin
James G. Salter
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.