Granted Patent
Utility
US 5,455,608 · App. 08/056,243
Pen start up algorithm for black and color thermal ink-jet pens
Inventors:
Lowell J. Stewart, Edward Dale Davis, Irene H. Williams, Curt Behrend, Steven Ray Card
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Apr 30, 1993
Inventors
Lowell J. Stewart
Edward Dale Davis
Irene H. Williams
Curt Behrend
Steven Ray Card
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.