×

Global positioning system stamp machine

  • US 20010052873A1
  • Filed: 06/14/2001
  • Published: 12/20/2001
  • Est. Priority Date: 06/14/2000
  • Status: Abandoned Application
First Claim
Patent Images

1. Assignment of a unique, unreplicatable “

  • fingerprint”

    , based on refinement of Global Positioning System signal to centimeter or sub-centimeter accuracy in the event that a GPS signal may not be as accurate as desired.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×