Granted Patent
Utility
US 6,487,256 · App. 09/834,077
Method and apparatus for AM digital broadcasting
Inventors:
Brian W. Kroeger, E. Glynn Walden, George Nicholas Eberl
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Apr 12, 2001
Inventors
Brian W. Kroeger
E. Glynn Walden
George Nicholas Eberl
Assignee (at issue)
iBiquity Digital Corporation
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.