Granted Patent
Utility
US 4,793,281 · App. 07/090,630
Unitized toner assembly for continuous electrostatic film medium
Inventors:
Lawrence W. Dobbins, Siu K. Luk
Patented Case
View Patent ↗
Granted: Dec 27, 1988
Filed: Aug 28, 1987
Inventors
Lawrence W. Dobbins
Siu K. Luk
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.