Hand-held digital refractometer

Details Hand-held digital refractometer Hand-held digital refractometer

2000-12-07

2001-10-23

Davis, Antoine Duval (Department: 2913)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Chemical

CD10S078000

Design Patent

active

D0449549

CLAIM:
The ornamental design for a hand-held digital refractometer, as shown.

REFERENCES:
patent: D. 348849 (1994-07-01), Thompson
patent: 6034762 (2000-03-01), Cotton et al.

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