Digital protractor

Details Digital protractor Digital protractor

2007-06-10

2008-05-13

Davis, Antoine D. (Department: 2915)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0568772

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

REFERENCES:
patent: D376110 (1996-12-01), Quint, Jr.
patent: D385500 (1997-10-01), Quint, Jr.
patent: 7299560 (2007-11-01), Diaz et al.

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