Granted Patent
Utility
US 4,475,113 · App. 06/472,411
Drop-on-demand method and apparatus using converging nozzles and high viscosity fluids
Inventors:
Francis Chee-Shuen Lee, Ross N. Mills, Frank E. Talke
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Mar 4, 1983
Inventors
Francis Chee-Shuen Lee
Ross N. Mills
Frank E. Talke
Assignee (at issue)
International Business Machines 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.