Portable sign frame assembly with changeable signage | Patent Publication Number 20080190000
US 20080190000 A1Patent NumberUS 07886467 B2
Application Number12009815
Filled DateJan 22, 2008
Priority DateAug 13, 2004
Publication DateAug 14, 2008
Original AssigneeAmerican Louver Company
Current AssigneeAmerican Louver Company
Inventor/ApplicantsGeoffrey M. Glass
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