Granted Patent
Utility
US 5,493,539 · App. 08/209,097
Two-stage detection and discrimination system for side scan sonar equipment
Inventors:
Paul H. Haley, John E. Gilmour
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Mar 11, 1994
Inventors
Paul H. Haley
John E. Gilmour
Assignee (at issue)
Westinghouse Electric Company LLC
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.