![]() ![]() ![]() ![]() ( en Inventor Dudley Fitzpatrick Jason Alan Snyder Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number US13/162,019 Other versions US20110246070A1 Google Patents Apparatuses, methods and systems for determining and announcing proximity between trajectoriesÄownload PDF Info Publication number US8447510B2 US8447510B2 US13/162,019 US201113162019A US8447510B2 US 8447510 B2 US8447510 B2 US 8447510B2 US 201113162019 A US201113162019 A US 201113162019A US 8447510 B2 US8447510 B2 US 8447510B2 Authority US United States Prior art keywords user information mobile device code message Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US8447510B2 - Apparatuses, methods and systems for determining and announcing proximity between trajectories US8447510B2 - Apparatuses, methods and systems for determining and announcing proximity between trajectories ![]()
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