Granted Patent
Utility
US 6,819,919 · App. 09/691,322
Method for providing matching and introduction services to proximate mobile users and service providers
Inventor:
Hirohisa Tanaka
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Oct 18, 2000
Inventor
Hirohisa Tanaka
Assignee (at issue)
Telcontar
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.