Granted Patent
Utility
US 4,520,459 · App. 06/508,945
Bubble memory which transfers bubbles in both right-to-left and left-to-right SPS loops to provide a short access time
Inventor:
Sidney J. Schwartz
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Jun 29, 1983
Inventor
Sidney J. Schwartz
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.