Granted Patent
Utility
US 4,598,992 · App. 06/628,389
Electrophotographic copier having readily removable drum and improved drive system therefor
Inventors:
Benzion Landa, Josef Rosen, Avner Schneider
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Jul 6, 1984
Inventors
Benzion Landa
Josef Rosen
Avner Schneider
Assignee (at issue)
Savin 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.