Public address system

Details Public address system Public address system

2005-12-20

2005-12-20

Deshmukh, Prabhakar (Department: 2912)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Public address system

Design Patent

active

D0512979

CLAIM:
The ornamental design for a “public address system,” as shown and described.

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patent: D471175 (2003-03-01), Lo
patent: 6645067 (2003-11-01), Okita et al.

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