Granted Patent
Utility
US 4,742,365 · App. 06/855,131
Ink jet apparatus
Inventors:
W. Scott Bartky, A. John Michaelis
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Apr 23, 1986
Inventors
W. Scott Bartky
A. John Michaelis
Assignee (at issue)
AM International, 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.