Granted Patent
Utility
US 4,774,527 · App. 07/001,072
Printhead having electrodes at more than one edge surface
Inventors:
Tony Hancock, Richard A. John, Ramon Lane, Omesh Sahni, James Thomas Welch
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Jan 7, 1987
Inventors
Tony Hancock
Richard A. John
Ramon Lane
Omesh Sahni
James Thomas Welch
Assignee (at issue)
International Business Machines Corporation
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.