Sales and advertising equipment – Signs or display forms – Card type
Patent
1990-06-06
1993-08-03
Burke, Wallace R.
Sales and advertising equipment
Signs or display forms
Card type
D10109
Patent
active
D03380440
REFERENCES:
patent: D96866 (1935-09-01), Stephens
patent: D158662 (1950-05-01), Hendrickson
patent: D192342 (1962-03-01), Berl
patent: D266553 (1982-10-01), Kelly
Seton Identification Products p. J24 1989 (Electrical Hazard Sign).
Burke Wallace R.
Jackson Marcus
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