Granted Patent
Utility
US 4,501,978 · App. 06/444,459
Level shift interface circuit
Inventors:
Carmine J. Gentile, Melvin L. Hagge, Robert C. Croes
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Nov 24, 1982
Inventors
Carmine J. Gentile
Melvin L. Hagge
Robert C. Croes
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.