Granted Patent
Utility
US 4,494,196 · App. 06/530,191
Controller for peripheral data storage units
Inventor:
Michael Greer
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Sep 7, 1983
Inventor
Michael Greer
Assignee (at issue)
Wang Laboratories, Inc.
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.