Granted Patent
Utility
US 4,563,733 · App. 06/586,745
Startup circuit for a switched power supply
Inventor:
Manfred Schlenk
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: Mar 6, 1984
Inventor
Manfred Schlenk
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.