Granted Patent
Utility
US 4,654,549 · App. 06/741,007
Transistor-transistor logic to emitter coupled logic translator
Inventor:
Geoff Hannington
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: Jun 4, 1985
Inventor
Geoff Hannington
Assignee (at issue)
FAIRCHILD SEMICONDUCTOR 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.