Sales and advertising equipment – Signs or display forms – Simulative
Patent
1976-07-12
1977-07-12
Burke, Wallace R.
Sales and advertising equipment
Signs or display forms
Simulative
D2003
Patent
active
D02450453
REFERENCES:
patent: 1652907 (1927-12-01), Nelson et al.
patent: 2852886 (1958-09-01), Parker
Burke Wallace R.
Doherty Robert J.
Kemper Catherine
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