Portable sign frame assembly with changeable signage | Patent Number 07886467
US 07886467 B2Filled DateJan 22, 2008
Priority DateAug 13, 2004
Publication DateAug 14, 2008
Expiration DateAug 13, 2024
Inventor/ApplicantsGeoffrey M. Glass
ExaminesDAVIS, CASSANDRA HOPE
Art Unit3611
Technology Center3600
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