Granted Patent
Utility
US 5,124,716 · App. 07/692,957
Method and apparatus for printing with ink drops of varying sizes using a drop-on-demand ink jet print head
Inventors:
Joy Roy, Susan C. Schoening
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Apr 26, 1991
Inventors
Joy Roy
Susan C. Schoening
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.