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System and method to increase the efficiency of outdoor advertising
System and method to increase the efficiency of outdoor advertising
Filed: January 23rd, 2001 [Pending]
Assignee: FreeCar Media
Patent Application Number: 9767618
US 20020097193A1 (19) United States (12) Patent Application Publication (io) Pub . No.: US 2002/0097193 Al Powers (43) Pub. Date: Jul.