Granted Patent
Utility
US 4,666,103 · App. 06/118,164
Carrier tracking system
Inventor:
John B. Allen
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Feb 4, 1980
Inventor
John B. Allen
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.