Granted Patent
Utility
US 4,246,502 · App. 05/933,984
Means for coupling incompatible signals to an integrated circuit and for deriving operating supply therefrom
Inventor:
James J. Kubinec
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Aug 16, 1978
Inventor
James J. Kubinec
Assignee (at issue)
Mitel 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.