Granted Patent
Utility
US 6,259,902 · App. 09/181,760
Dual channel superheterodyne receiver
Inventors:
John Robert Siomkos, Edgar H. Callaway, Jr.
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Oct 29, 1998
Inventors
John Robert Siomkos
Edgar H. Callaway, Jr.
Assignee (at issue)
Motorola, 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.