Granted Patent
Utility
US 5,821,641 · App. 08/690,640
Secondary supply power referenced interlock circuit
Inventors:
Frank J. Demo, Edward R. Stanford
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Jul 30, 1996
Inventors
Frank J. Demo
Edward R. Stanford
Assignee (at issue)
Compaq Computer 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.