Granted Patent
Utility
US 5,227,813 · App. 07/746,521
Sidewall actuator for a high density ink jet printhead
Inventors:
John R. Pies, David B. Wallace, Donald J. Hayes
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Aug 16, 1991
Inventors
John R. Pies
David B. Wallace
Donald J. Hayes
Assignee (at issue)
Compaq Computer 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.