Granted Patent
Utility
US 4,639,752 · App. 06/755,828
Fast ternary (GaInAs) logic gate device
Inventor:
Walter R. Curtice
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Jul 17, 1985
Inventor
Walter R. Curtice
Assignee (at issue)
RCA 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.