Granted Patent
Utility
US 5,698,908 · App. 08/578,626
Buffered DC power supply system
Inventors:
Werner Pollmeier, Josef Schuck, Ernst Weidner
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jan 11, 1996
Inventors
Werner Pollmeier
Josef Schuck
Ernst Weidner
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.