Granted Patent
Utility
US 4,138,720 · App. 05/784,352
Time-shared, multi-phase memory accessing system
Inventors:
Ke-Chiang Chu, Richard S. Sharp
Patented Case
View Patent ↗
Granted: Feb 6, 1979
Filed: Apr 4, 1977
Inventors
Ke-Chiang Chu
Richard S. Sharp
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.