Sales and advertising equipment – Signs or display forms – Card type
Patent
1991-09-17
1993-02-09
Burke, Wallace R.
Sales and advertising equipment
Signs or display forms
Card type
D20 43
Patent
active
D03331636
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patent: 2113406 (1938-04-01), Koeble
patent: 2142826 (1939-01-01), Rosello
patent: 2343741 (1944-03-01), Blechta
patent: 2427629 (1947-09-01), Smith et al.
patent: 2431835 (1947-12-01), Smith
patent: 2920410 (1960-01-01), Angehrn
patent: 3029051 (1962-04-01), Nichols
patent: 4062138 (1977-12-01), Warenback
Burke Wallace R.
Jackson Marcus
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