Four channeled straight edge

Details Four channeled straight edge Four channeled straight edge

2002-04-15

2003-05-06

Davis, Antoine Duval (Department: 2913)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0474123

CLAIM:
The ornamental design for a “four channeled straight edge”, as shown and described.

REFERENCES:
patent: D201300 (1965-06-01), Seely, Jr.
patent: D272711 (1984-02-01), Griset

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