Combined handset and announcement and siren signal generator...

Details Combined handset and announcement and siren signal generator... Combined handset and announcement and siren signal generator...

2005-05-24

2005-05-24

Davis, Antoine Duval (Department: 2913)

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Alarm or control thereof

Design Patent

active

D0505351

CLAIM:
The ornamental design for a combined handset and announcement and siren signal generator and control unit, as shown and described.

REFERENCES:
patent: 5416463 (1995-05-01), Higgins et al.
patent: D398588 (1998-09-01), Pinardi et al.
patent: 5831515 (1998-11-01), Stewart et al.
patent: D412678 (1999-08-01), Smith et al.

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