Collapsible writing board device

Details Collapsible writing board device Collapsible writing board device

1987-03-27

1988-05-17

McNeill, Gregory E.

Education and demonstration

Means for demonstrating apparatus, product, or surface...

Chalkboard or equivalent means having easily erasable surface

B43L 100

Patent

active

047447621

ABSTRACT:
A writing board structure which can be folded in half length wise and reduced in height for storage and quickly and easily returned to its normal use condition. Wnen in a normal use condition the writing board surface can be selectively adjusted for height and angle relative to its supporting surface.

REFERENCES:
patent: 3587183 (1971-06-01), Davis

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