Granted Patent
Utility
US 4,501,486 · App. 06/513,725
Wiper blade for electrophotocopier
Inventor:
Benzion Landa
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Jul 14, 1983
Inventor
Benzion Landa
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.