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Patent
   D247966
Priority
Jun 10 1976
Filed
Jun 10 1976
Issued
May 23 1978
Expiry
May 23 1992
Inventors
Sieler, Ge…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
6
References
5
Maint.:
n/a
The ornamental design for a portable voice amplifier, as shown.

FIG. 1 is a top front perspective view of a portable voice amplifier; and

FIG. 2 is a top rear perspective view thereof showing the microphone attachment therefor.
INVENTORS:

Sieler, George Jerome

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
5640459, Aug 29 1995 Portable voice amplifier
D253651, Oct 11 1977 AUDIOPACK SOUND SYSTEMS, INC ; Actron Manufacturing Company Wall mounted cabinet for a public address system
D303391, Feb 18 1986 Speaker enclosure
D313416, Mar 16 1987 Portable entertainment and communication unit
D325202, Nov 01 1989 Stolar, Inc. Mobile transceiver
D363718, Jul 20 1994 Hand held, self contained, personal voice amplifier
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2983791,
3432002,
216018,
221440,
231236,
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