Granted Patent
Utility
US 6,469,663 · App. 09/695,530
Method and system for GPS and WAAS carrier phase measurements for relative positioning
Inventors:
Michael L. Whitehead, Walter J. Feller
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Oct 24, 2000
Inventors
Michael L. Whitehead
Walter J. Feller
Assignee (at issue)
CSI Wireless Inc.
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.