Granted Patent
Utility
US 5,731,787 · App. 08/771,516
Iode changeover coverage for GPS signals
Inventor:
Len Sheynblat
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Dec 23, 1996
Inventor
Len Sheynblat
Assignee (at issue)
Trimble Navigation Limited
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.