Granted Patent
Utility
US 5,510,815 · App. 08/145,354
Adjustable pen-to-paper spacing in printers using black and color pens
Inventors:
Thomas Linder, John H. Dion
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Oct 29, 1993
Inventors
Thomas Linder
John H. Dion
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.