Granted Patent
Utility
US 4,260,269 · App. 06/051,727
Split stackable printing blades for matrix printer head
Inventor:
Donald C. Peroutky
Patented Case
View Patent ↗
Granted: Apr 7, 1981
Filed: Jun 25, 1979
Inventor
Donald C. Peroutky
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.