Granted Patent
Utility
US 5,461,304 · App. 08/064,845
Switchable current source circuit and phase detector configuration having such a circuit
Inventor:
Gunther Donig
Patented Case
View Patent ↗
Granted: Oct 24, 1995
Filed: May 20, 1993
Inventor
Gunther Donig
Assignee (at issue)
Siemens Aktiengesellschaft
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.