Granted Patent
Utility
US 6,728,522 · App. 09/390,986
Weather band radio and method of tuning same
Inventors:
Jeffrey J. Marrah, Harry Diamond
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Sep 7, 1999
Inventors
Jeffrey J. Marrah
Harry Diamond
Assignee (at issue)
Delphi Technologies
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.