Granted Patent
Utility
US 6,329,946 · App. 09/584,154
GPS position measuring system and GPS position measuring apparatus
Inventors:
Seiichiro Hirata, Sergy V. Lyusin
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: May 31, 2000
Inventors
Seiichiro Hirata
Sergy V. Lyusin
Assignees (at issue)
MITSUBISHI ELECTRIC CORPORATION
Magellan Group Ltd.
Magellan Systems Japan, 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.