Sofa

The ornamental design for a sofa, as shown and described.

FIG. 1 is a perspective view of a sofa showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

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

FIG. 7 is a right side elevational view thereof.

The broken lines shown in the drawing Figures form no part of the claimed design.

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D526803,	Oct 08 2004	American Leather Operations, LLC	Sofa
D604957,	Mar 31 2008	INNOVATION U S A , INC	Sofa
D639083,	Apr 27 2010	Steelcase Inc	Bench
D698169,	May 08 2013		Chair
D699464,	Dec 14 2012	INNOVATION U S A , INC	Sofa
D721242,	Sep 04 2014	Mondi Yatak Yorgah Sanayi Ve Ticaret Anonim Sirketi; MONDI YATAK YORGAN SANAYI VE TICARET ANONIM SIRKETI	Furniture item

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
May 13 2016		Knoll, Inc.	(assignment on the face of the patent)
Jul 25 2016	ROCKWELL, DAVID	KNOLL, INC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	039344	0658	pdf
Jul 25 2016	RICHARDS, BARRY	KNOLL, INC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	039344	0658	pdf
Jan 23 2018	KNOLL, INC	BANK OF AMERICA, N A , AS ADMINISTRATIVE AGENT	NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS	045126	0757	pdf
Jul 19 2021	KNOLL, INC	GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT	SECURITY INTEREST SEE DOCUMENT FOR DETAILS	057649	0828	pdf

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