Granted Patent
Utility
US 5,010,571 · App. 06/905,775
Metering retrieval of encrypted data stored in customer data retrieval terminal
Inventor:
Ron D. Katznelson
Patented Case
View Patent ↗
Granted: Apr 23, 1991
Filed: Sep 10, 1986
Inventor
Ron D. Katznelson
Assignees (at issue)
Titan Linkabit Corporation
Cable/Home Communication 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.