Sales and advertising equipment – Signs or display forms
Design Patent
2007-06-19
2007-06-19
Spear, Robert M. (Department: 2913)
Sales and advertising equipment
Signs or display forms
CD20S043000
Design Patent
active
29236445
CLAIM:
The ornamental design for a convertible billboard display, as shown and described.
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patent: 5775919 (1998-07-01), Gardner
patent: D477634 (2003-07-01), Malone
patent: 2004/0130139 (2004-07-01), Reising
Calabrese Mary Ann
Goldstein Stuart M.
Spear Robert M.
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