Granted Patent
Utility
US 5,450,344 · App. 08/232,830
GPS receivers with data ports for the uploading and downloading of absolute position information
Inventors:
Arthur N. Woo, David S. Sprague
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Apr 22, 1994
Inventors
Arthur N. Woo
David S. Sprague
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.