Ruler

Details Ruler Ruler

2002-09-04

2003-08-19

Davis, Antoine Duval (Department: 2913)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0478519

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

REFERENCES:
patent: D259476 (1981-06-01), Feingold et al.
patent: D311873 (1990-11-01), Arend
patent: D395611 (1998-06-01), Oren
patent: 6434844 (2002-08-01), Rank

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