Sales and advertising equipment – Signs or display forms – Post supported
Patent
1998-08-03
2000-02-22
Douglas, Alan P.
Sales and advertising equipment
Signs or display forms
Post supported
D20 29, 2002
Patent
active
D04210662
REFERENCES:
patent: D169633 (1953-05-01), Ravenscroft
patent: D251815 (1979-05-01), Looney
Douglas Alan P.
Nieder James A
Rivard Jennifer
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