Sales and advertising equipment – Signs or display forms – Post supported
Patent
1980-05-28
1982-08-10
Kemper, Catherine E.
Sales and advertising equipment
Signs or display forms
Post supported
D2003
Patent
active
D02657465
REFERENCES:
patent: 1902189 (1933-03-01), Schutt
patent: 4092792 (1978-06-01), Vorhees
patent: 4249715 (1981-02-01), Repp
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