Emergency whistle

Details Emergency whistle Emergency whistle

2001-10-17

2003-01-14

Davis, Antoine Duval (Department: 2913)

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Aural, i.e., audible

Design Patent

active

D0468655

CLAIM:
The ornamental design for a “emergency whistle”, as shown and described.

REFERENCES:
patent: 5086726 (1992-02-01), Sharp
patent: 5329872 (1994-07-01), Wright

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