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The ornamental design for the telephone headset amplifier, shown and described.
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FIG. 1 is a front perspective view of a telephone headset amplifier showing my design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a side elevational view thereof;
FIG. 7 is another side elevational view thereof;
FIG. 8 is a perspective view of an alternate embodiment thereof;
FIG. 9 is a rear perspective view of the alternate embodiment;
FIG. 10 is a top plan view of the alternate embodiment;
FIG. 11 is a rear elevational view of the alternate embodiment;
FIG. 12 is a front elevational view of the alternate embodiment; and,
FIG. 13 is a side elevational view thereof.
Patent | Priority | Assignee | Title |
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D649146, | Feb 02 2010 | CREATIVE TECHNOLOGY LTD | Apparatus for communications |
D698357, | Feb 13 2012 | MARINE CANADA ACQUISITION INC | Joystick |
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D746253, | Aug 28 2013 | FISHMAN TRANSDUCERS, INC | Preamplifier |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 30 2002 | GN Netcom, Inc. | (assignment on the face of the patent) | / |
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