Billboard display apparatus

Details Billboard display apparatus Billboard display apparatus

1983-11-16

1985-06-25

Kemper, Catherine E.

Sales and advertising equipment

Signs or display forms

Billboard type

Patent

active

D02793890

REFERENCES:
Signs of the Times-May 1981-p. 59-Selby sign; p. 95-Deer Valley sign; p. 100-GRC Structures, Ltd. sign.
Signs of the Times-Jun. 1981-p. 25-Unipole sign.

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