Granted Patent
Utility
US 6,523,064 · App. 09/302,023
Network gateway for collecting geographic data information
Inventors:
Shinji Akatsu, Fernando Masami Matsubara
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Apr 29, 1999
Inventors
Shinji Akatsu
Fernando Masami Matsubara
Assignee (at issue)
Mitsubishi Electric Research Laboratories, 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.