IP Library › Granted Patent US 5,557,513
Granted Patent Utility
US 5,557,513 · App. 08/262,131

Checkout lane alert system and method for stores having express checkout lanes

Inventors: Ronald G. Frey, John D. Nelson
Patented Case View Patent ↗
Granted: Sep 17, 1996 Filed: Jun 17, 1994
Inventors
Ronald G. Frey
John D. Nelson
Assignee (at issue)
Quadrix Corporation

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Quick Facts
Patent No.
US 5,557,513
App. No.
08/262,131
Filed
1994-06-17
Granted
1996-09-17
Kind
A