Sales and advertising equipment – Signs or display forms
Patent
1983-05-18
1986-07-29
Kemper, Catherine E.
Sales and advertising equipment
Signs or display forms
D16 43, D19 52
Patent
active
D02848759
REFERENCES:
patent: 2236888 (1941-04-01), Bishop
patent: 2345913 (1944-04-01), Bishop
patent: 2454648 (1948-11-01), Green
patent: 2880534 (1959-04-01), Lund
Daventry Pty. Ltd.
Kemper Catherine E.
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