IP Library › Granted Patent US 5,442,386
Granted Patent Utility
US 5,442,386 · App. 08/056,238

Structure and method for preventing ink shorting of conductors connected to printhead

Inventors: Winthrop D. Childers, Dale Timm, Charles L. Thierheimer, Jr., Marshall Field, William S. Colburn, William Boucher, Joseph R. Elliot, Peter R. Stokes
Patented Case View Patent ↗
Granted: Aug 15, 1995 Filed: Apr 30, 1993
Inventors
Winthrop D. Childers
Dale Timm
Charles L. Thierheimer, Jr.
Marshall Field
William S. Colburn
William Boucher
Joseph R. Elliot
Peter R. Stokes
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.

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Quick Facts
Patent No.
US 5,442,386
App. No.
08/056,238
Filed
1993-04-30
Granted
1995-08-15
Kind
A