Granted Patent
Utility
US 4,459,054 · App. 06/339,524
Shared character selection, escapement and line advance system for serial printer
Inventor:
William L. Dollenmayer
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Jan 15, 1982
Inventor
William L. Dollenmayer
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.