Granted Patent
Utility
US 4,400,102 · App. 06/206,553
Multi-color print head
Inventors:
John Shiurila, Richard A. Williams
Patented Case
View Patent ↗
Granted: Aug 23, 1983
Filed: Nov 13, 1980
Inventors
John Shiurila
Richard A. Williams
Assignee (at issue)
Centronics Data Computer 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.