Sound level indicator

Details Sound level indicator Sound level indicator

2000-10-25

2001-09-04

Davis, Antoine Duval (Department: 2913)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Weight, force or density

CD10S046000

Design Patent

active

D0447431

CLAIM:
The ornamental design for a sound level indicator, as shown and described.

REFERENCES:
patent: 5319306 (1994-06-01), Schuyler

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