Granted Patent
Utility
US 5,519,474 · App. 08/247,938
Pneumatic delivery system for liquid toner hard copy apparatus
Inventors:
David J. Arcaro, David L. Smith
Patented Case
View Patent ↗
Granted: May 21, 1996
Filed: May 24, 1994
Inventors
David J. Arcaro
David L. Smith
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.