Granted Patent
Utility
US 6,172,885 · App. 09/412,057
Switched-mode power supply with mains current consumption regulation
Inventor:
Martin Feldtkeller
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Oct 4, 1999
Inventor
Martin Feldtkeller
Assignee (at issue)
Infineon Technologies 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.