Granted Patent
Utility
US 5,864,476 · App. 08/894,537
Power supply apparatus
Inventor:
Peter Busch
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Aug 21, 1997
Inventor
Peter Busch
Assignee (at issue)
Siemens Nixdorf Informationssysteme 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.