Conference telephone microphone control unit

The ornamental design for a conference telephone microphone control unit, substantially as shown and described.

FIG. 1 is a front, top and left side perspective view of a conference telephone microphone control unit showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

Patent	Priority	Assignee	Title
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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Feb 26 1982	SYLVESTER, GORDON E	BELL TELEPHONE LABORATORIES, INCORPORATED, A CORP OF NY	ASSIGNMENT OF ASSIGNORS INTEREST	003982	0067	pdf
Mar 09 1982	BARTON, WILLIAM L III	BELL TELEPHONE LABORATORIES, INCORPORATED, A CORP OF NY	ASSIGNMENT OF ASSIGNORS INTEREST	003982	0067	pdf
Mar 09 1982	PETERSON, EDWARD J	BELL TELEPHONE LABORATORIES, INCORPORATED, A CORP OF NY	ASSIGNMENT OF ASSIGNORS INTEREST	003982	0067	pdf
Mar 17 1982		AT&T Bell Laboratories	(assignment on the face of the patent)

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