Granted Patent
Utility
US 4,430,784 · App. 06/232,457
Manufacturing process for orifice nozzle devices for ink jet printing apparati
Inventors:
Kenneth Brooks, Paul Reed Smith, Thomas E. Morris
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Feb 9, 1981
Inventors
Kenneth Brooks
Paul Reed Smith
Thomas E. Morris
Assignee (at issue)
Celanese GmbH
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.