Ruler

Details Ruler Ruler

2008-09-02

2009-06-09

Davis, Antoine D (Department: 2915)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0593885

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

REFERENCES:
patent: D244090 (1977-04-01), West
patent: D378743 (1997-04-01), McDonald et al.
patent: D406538 (1999-03-01), Cornell et al.
patent: D422517 (2000-04-01), Danon
patent: D430811 (2000-09-01), DeVos
patent: D451040 (2001-11-01), Szumer
patent: D493735 (2004-08-01), Shapiro
patent: D512927 (2005-12-01), Verdura et al.
patent: D554548 (2007-11-01), Verdura et al.

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