Granted Patent
Utility
US 5,748,742 · App. 08/565,036
Fraud detection and user validation system for mobile earth terminal communication device
Inventors:
William R. Tisdale, Charles E. Sigler
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Nov 30, 1995
Inventors
William R. Tisdale
Charles E. Sigler
Assignee (at issue)
AMSC Subsidiary Corporation
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.