Granted Patent
Utility
US 5,157,625 · App. 07/526,758
Radiation resistant sram memory cell
Inventor:
Michael J. Barry
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: May 22, 1990
Inventor
Michael J. Barry
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.