Sales and advertising equipment – Signs or display forms
Patent
1980-04-07
1982-07-20
Kemper, Catherine E.
Sales and advertising equipment
Signs or display forms
D 6242, D 6244, D20 43, D2003, D0607
Patent
active
D02654857
REFERENCES:
patent: 1065414 (1913-06-01), Wiesner
patent: 1219909 (1917-03-01), Brockway
patent: 2272479 (1942-02-01), Prew
patent: 2449727 (1948-09-01), Sloane
patent: 2507578 (1950-05-01), Schilperoort
Integral Design, Inc.
Kemper Catherine E.
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