Granted Patent
Utility
US 4,415,403 · App. 06/214,463
Method of fabricating an electrostatic print head
Inventor:
Joseph J. Bakewell
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Dec 8, 1980
Inventor
Joseph J. Bakewell
Assignee (at issue)
Dynamics Research 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.