Packages and containers for goods – Box or packaging container – External display aperture – window – or magnifier
Patent
1984-09-27
1987-06-23
Spangler, Robert C.
Packages and containers for goods
Box or packaging container
External display aperture, window, or magnifier
D 9423, D 9432
Patent
active
D02904446
REFERENCES:
patent: 1890965 (1932-12-01), Boeye
patent: 1911215 (1933-05-01), Walter
patent: 3049279 (1962-08-01), Mairs et al.
patent: 3086690 (1963-04-01), Beck
patent: 3184142 (1965-05-01), Rosenburg, Jr.
Spangler Robert C.
Westvaco Corporation
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