Granted Patent
Utility
US 4,333,398 · App. 06/204,632
Driving force control system for impact printer
Inventors:
Andrew Carson, Samuel C. Harris, Jr.
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Nov 6, 1980
Inventors
Andrew Carson
Samuel C. Harris, Jr.
Assignee (at issue)
General Electric Company
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.