Granted Patent
Utility
US 4,672,580 · App. 06/728,963
Memory cell providing simultaneous non-destructive access to volatile and non-volatile data
Inventors:
Robert L. Yau, Ron Maltiel
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Apr 30, 1985
Inventors
Robert L. Yau
Ron Maltiel
Assignee (at issue)
Advanced Micro Devices, 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.