Granted Patent
Utility
US 6,577,737 · App. 09/506,295
Method of detecting a DC offset in an automotive audio system
Inventors:
Andrew C. Krochmal, Gregory R. Hamel, John Elliott Whitecar
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Feb 17, 2000
Inventors
Andrew C. Krochmal
Gregory R. Hamel
John Elliott Whitecar
Assignee (at issue)
Visteon Global Technologies, 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.