Accessibility ruler

Details Accessibility ruler Accessibility ruler

2008-05-27

2008-05-27

Davis, Antoine D. (Department: 2915)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0569747

CLAIM:
The ornamental design for an accessibility ruler, as shown and described.

REFERENCES:
patent: 4426790 (1984-01-01), Kimel
patent: 4566200 (1986-01-01), Brady et al.
patent: D296119 (1988-06-01), Hunter et al.
patent: D333991 (1993-03-01), Lee
patent: 7111408 (2006-09-01), Critelli et al.

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