Granted Patent
Utility
US 4,569,605 · App. 06/576,312
Wire driving armature for dot printer
Inventors:
Johann Meier, David W. Hanna
Patented Case
View Patent ↗
Granted: Feb 11, 1986
Filed: Feb 2, 1984
Inventors
Johann Meier
David W. Hanna
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.