Granted Patent
Utility
US 5,574,486 · App. 08/003,917
Ink jet print heads and methos for preparing them
Inventors:
Maridana L. Whitlow, J. Kirk McGlothlan, Jeffrey J. Anderson, Randy C. Karambelas, Richard Schmachtenberg, III
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Jan 13, 1993
Inventors
Maridana L. Whitlow
J. Kirk McGlothlan
Jeffrey J. Anderson
Randy C. Karambelas
Richard Schmachtenberg, III
Assignee (at issue)
Tektronix, Inc.
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.