Granted Patent
Utility
US 6,035,039 · App. 09/024,256
Fraud detection and user validation system for mobile earth terminal communication device
Inventors:
William R. Tisdale, Charles E. Sigler
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Feb 17, 1998
Inventors
William R. Tisdale
Charles E. Sigler
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.