Granted Patent
Utility
US 6,640,189 · App. 09/955,609
Method of improving satellite reacquisition performance for integrated GP/IG navigational systems
Inventors:
Michael Perlmutter, Ian Humphrey
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Sep 19, 2001
Inventors
Michael Perlmutter
Ian Humphrey
Assignee (at issue)
Fibersense Technology 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.