Granted Patent
Utility
US 4,396,980 · App. 06/167,614
Combined integrated injection logic and transistor-transistor logic microprocessor integrated circuit design
Inventor:
Hemraj K. Hingarh
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Jul 11, 1980
Inventor
Hemraj K. Hingarh
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.