Sales and advertising equipment – Signs or display forms – Post supported
Patent
1990-08-08
1992-10-13
Burke, Wallace R.
Sales and advertising equipment
Signs or display forms
Post supported
D20 10
Patent
active
D03302245
REFERENCES:
patent: D275579 (1984-09-01), Brown et al.
patent: 2064047 (1936-12-01), Wertz
patent: 3924344 (1975-12-01), Davis
patent: 4278228 (1981-07-01), Rebentisch et al.
patent: 4325197 (1982-04-01), Achten et al.
patent: 4700498 (1987-10-01), Perutz et al.
patent: 5085329 (1992-02-01), Crowell et al.
Burke Wallace R.
Castle Linval B.
Jackson Marcus
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