Granted Patent
Utility
US 5,936,572 · App. 08/806,549
Portable hybrid location determination system
Inventors:
Peter Van Wyck Loomis, James M. Janky, John F. Schipper
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Feb 25, 1997
Inventors
Peter Van Wyck Loomis
James M. Janky
John F. Schipper
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.