Granted Patent
Utility
US 6,462,606 · App. 09/750,378
Circuit and method for input to failsafe “AND” gate
Inventor:
Thomas Hajjar
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Dec 28, 2000
Inventor
Thomas Hajjar
Assignee (at issue)
GE Harris Railway Electronics LLC
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.