Granted Patent
Utility
US 4,972,104 · App. 07/202,971
TTL totem pole anti-simultaneous conduction circuit
Inventor:
Julio Estrada
Patented Case
View Patent ↗
Granted: Nov 20, 1990
Filed: Jun 3, 1988
Inventor
Julio Estrada
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.