Granted Patent
Utility
US 5,166,902 · App. 07/670,557
SRAM memory cell
Inventor:
John Silver
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Mar 18, 1991
Inventor
John Silver
Assignee (at issue)
UNITED TECHNOLOGIES CORPORATION
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.