Walkboard

Details Walkboard Walkboard

2000-09-25

2001-06-12

Clark, Doris (Department: 2914)

Building units and construction elements

Stair, ladder, scaffold, or similar support

Design Patent

active

D0443699

CLAIM:
The ornamental design for a walkboard, as shown and described.

REFERENCES:
patent: D. 208630 (1967-09-01), Coblentz
patent: 4825976 (1989-05-01), Wyse
patent: 5711400 (1998-01-01), Tan

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