Granted Patent
Utility
US 4,533,925 · App. 06/623,693
Ink jet printer with non-uniform rectangular pattern of print positions
Inventors:
Sherman H. Tsao, Kenneth T. Zeiler
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Jun 22, 1984
Inventors
Sherman H. Tsao
Kenneth T. Zeiler
Assignee (at issue)
The Mead 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.