Granted Patent
Utility
US 4,308,585 · App. 06/081,031
Electronic memory unit
Inventor:
Christopher Douglas Jordan
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Oct 1, 1979
Inventor
Christopher Douglas Jordan
Assignee (at issue)
J. J. Lloyd Instruments, Ltd.
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.