Sales and advertising equipment – Signs or display forms
Patent
1988-03-22
1991-01-01
Burke, Wallace R.
Sales and advertising equipment
Signs or display forms
Patent
active
D03134318
REFERENCES:
patent: D104942 (1937-06-01), Karst
patent: D171909 (1954-04-01), Nelson
patent: D249194 (1978-08-01), Carlson
patent: 1850319 (1932-03-01), Fensom et al.
patent: 2506683 (1950-05-01), Rankin
Hetfield Margaret L.
Jaskiel, Jr. Stanley J.
Samarov Victor M.
Burke Wallace R.
Digital Equipment Corporation
Jackson Marcus
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