Granted Patent
Utility
US 6,522,754 · App. 09/132,604
Digital vehicle microphone system and method
Inventors:
William E. Long, Alan Chen, Rich Gibbons
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Aug 11, 1998
Inventors
William E. Long
Alan Chen
Rich Gibbons
Assignee (at issue)
Clever Devices Ltd.
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.