Granted Patent
Utility
US 6,836,092 · App. 10/383,088
Methods and circuits for detecting operational information of DC Fans
Inventor:
Clas Gerhard Sivertsen
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Mar 6, 2003
Inventor
Clas Gerhard Sivertsen
Assignee (at issue)
American Megatrends, Inc.
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.