Sales and advertising equipment – Signs or display forms – Simulative
Patent
1977-05-25
1978-05-30
Burke, Wallace R.
Sales and advertising equipment
Signs or display forms
Simulative
D 8404, D2003, D0899
Patent
active
D02480603
REFERENCES:
patent: D242582 (1976-11-01), Darrell
Dreyfuss, Symbol Source Book, McGraw-Hill Book Co., New York, 1972, pp. 30-37.
Sager's Builders Hardware Catalog, No. 37, Sager Lock Works, North Chicago, 1937, pp. 158, 169-170.
Barrow's Builders Hardware Catalog, No. 38, Barrows Lock Works, North Chicago, 1939, pp. 457, 473-475.
Burke Wallace R.
Kemper Catherine
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