Electronic megaphone

Details Electronic megaphone Electronic megaphone

2005-07-12

2005-07-12

Deshmukh, Prabhakar (Department: 2912)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Public address system

Design Patent

active

D0507256

CLAIM:
The ornamental design for an electronic megaphone, as shown and described.

REFERENCES:
patent: 5127870 (1992-07-01), Lin
patent: 5525767 (1996-06-01), Fields
patent: D372916 (1996-08-01), Starck
patent: D390798 (1998-02-01), Kobayashi
patent: D403323 (1998-12-01), Davies
patent: D425894 (2000-05-01), Chang
patent: D431549 (2000-10-01), Christian et al.
patent: D471180 (2003-03-01), Satoh
patent: D471926 (2003-03-01), Allen
patent: 6568504 (2003-05-01), Cowgill et al.

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