Granted Patent
Utility
US 6,674,402 · App. 10/265,252
Global positioning system and global positioning apparatus
Inventors:
Seiichiro Hirata, Sergy V. Lyusin
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Oct 7, 2002
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.