Granted Patent
Utility
US 4,648,074 · App. 06/625,910
Reference circuit with semiconductor memory array
Inventor:
Robert G. Pollachek
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Jun 29, 1984
Inventor
Robert G. Pollachek
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.