Patent
   D445105
Priority
Feb 29 2000
Filed
Feb 29 2000
Issued
Jul 17 2001
Expiry
Jul 17 2015
Assg.orig
Entity
unknown
5
11
n/a
The ornamental design for a speech amplifier tube, as shown and described.

FIG. 1 is an isometric view of a speech amplifier tube showing my new design, the broken line showing of the human head is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

Brinson, Beth W.

Patent Priority Assignee Title
7356155, Jul 18 2003 LAZARUS TECHNOLOGIES, INC Device and method for assisting vocalists in hearing their vocal sounds
D479269, Jun 25 2002 LEARNING LOFT, INC Handheld reading practice device
D573131, Jul 12 2007 Super Duper Publications Acoustic feedback headset
D616878, Jul 08 2009 DESIGNED 2 INNOVATE, LLC Handset
D819417, Dec 30 2016 Milwaukee Electric Tool Corporation Handle for a pick
Patent Priority Assignee Title
3155189,
3182746,
3259204,
3867770,
4464119, Nov 10 1981 Method and device for correcting speech
453848,
5507648, Aug 03 1994 Hollow tubular device to assist patients during speech therapy
5827173, Aug 19 1996 Prenatal audio communication device
186439,
D382273, Mar 08 1996 Acoustic telephone
D403326, Apr 17 1997 Telephone receiver cover
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