Granted Patent
Utility
US 4,748,398 · App. 07/013,834
Circuit for controlling a series switching element in a clocked power supply
Inventor:
Hans-Bodo Laue
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Feb 12, 1987
Inventor
Hans-Bodo Laue
Assignee (at issue)
Nixdorf Computer AG
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.