Granted Patent
Utility
US 4,288,167 · App. 06/121,132
Printhead and blades therefor
Inventors:
Andrew Carson, Frederick Milton Blodgett, Jr.
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Feb 13, 1980
Inventors
Andrew Carson
Frederick Milton Blodgett, 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.