Granted Patent
Utility
US 4,359,680 · App. 06/278,905
Reference voltage circuit
Inventors:
James R. Hellums, Michael B. Terry
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: May 18, 1981
Inventors
James R. Hellums
Michael B. Terry
Assignee (at issue)
Mostek 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.