Granted Patent
Utility
US 5,640,431 · App. 08/402,260
Method and apparatus for offset frequency estimation for a coherent receiver
Inventors:
Eugene J. Bruckert, Fuyun Ling, Thomas A. Sexton
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Mar 10, 1995
Inventors
Eugene J. Bruckert
Fuyun Ling
Thomas A. Sexton
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.