Granted Patent
Utility
US 6,167,543 · App. 09/063,819
Memory test mode circuit
Inventor:
John M. Callahan
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Apr 21, 1998
Inventor
John M. Callahan
Assignee (at issue)
NanoAmp Solutions, 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.