Granted Patent
Utility
US 4,457,003 · App. 06/390,497
Time reference tracking loop for frequency hopping systems
Inventor:
Francis K. Reed
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Jun 21, 1982
Inventor
Francis K. Reed
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.