Granted Patent
Utility
US 4,964,081 · App. 07/393,528
READ-WHILE-WRITE RAM CELL
Inventors:
Mark S. Birrittella, Jan Wikström
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Aug 11, 1989
Inventors
Mark S. Birrittella
Jan Wikström
Assignee (at issue)
Cray Research, 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.