Granted Patent
Utility
US 5,892,672 · App. 08/983,608
Low loss digitally controlled voltage converter
Inventor:
Peter Preller
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Dec 29, 1997
Inventor
Peter Preller
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.