Granted Patent
Utility
US 4,074,352 · App. 05/728,456
Modular block unit for input-output subsystem
Inventors:
Darwen John Cook, Donald A. Millers, II
Patented Case
View Patent ↗
Granted: Feb 14, 1978
Filed: Sep 30, 1976
Inventors
Darwen John Cook
Donald A. Millers, II
Assignee (at issue)
Burroughs, 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.