Granted Patent
Utility
US 4,321,607 · App. 06/160,339
Scaling aerodynamic compensation in an ink jet printer
Inventors:
Harry P. Heibein, Chein-Hwa Tsao
Patented Case
View Patent ↗
Granted: Mar 23, 1982
Filed: Jun 17, 1980
Inventors
Harry P. Heibein
Chein-Hwa Tsao
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.