Granted Patent
Utility
US 4,119,973 · App. 05/831,094
Fault detection and compensation circuit for ink jet printer
Inventor:
William R. Stager
Patented Case
View Patent ↗
Granted: Oct 10, 1978
Filed: Sep 6, 1977
Inventor
William R. Stager
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.