Circle and bi-directional ray drawing device

Details Circle and bi-directional ray drawing device Circle and bi-directional ray drawing device

2007-12-18

2007-12-18

Davis, Antoine D. (Department: 2915)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

29256181

CLAIM:
What is claimed is the ornamental design for a circle and bi-directional ray drawing device, as shown and described herein.

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