Audience participation device

Details Audience participation device Audience participation device

2007-01-23

2007-01-23

Nunn, Freda S. (Department: 2911)

Recording, communication, or information retrieval equipment

Computer, data processor equipment

Peripheral equipment

Design Patent

active

29216313

CLAIM:
The ornamental design for an audience participation device, as shown and described.

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patent: 6240426 (2001-05-01), Beyda et al.
patent: 6443840 (2002-09-01), Von Kohorn
patent: D467918 (2002-12-01), Fitch et al.
patent: D476985 (2003-07-01), Griffin
patent: 6681393 (2004-01-01), Bauminger et al.
patent: 2003/0107555 (2003-06-01), Williams

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