Granted Patent
Utility
US 4,460,286 · App. 06/386,619
Centrifugal ball elevator for microballistic printer
Inventor:
Benzion Landa
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Jun 9, 1982
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.