Granted Patent
Utility
US 6,563,880 · App. 09/298,093
Method and system for simultaneously broadcasting and receiving digital and analog signals
Inventors:
Bill J. Hunsinger, Derek D. Kumar
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Apr 22, 1999
Inventors
Bill J. Hunsinger
Derek D. Kumar
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.