Prosthetic knee joint

The ornamental design for a prosthetic knee joint, as shown.

FIG. 1 is a front elevational view of a prosthetic knee joint embodying my design.

FIG. 2 is a side elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Patent	Priority	Assignee	Title
7087090,	Nov 19 2003	Bloorview MacMillan Centre	Artificial knee joint

Patent	Priority	Assignee	Title
D383542,	Feb 13 1995	Otto Bock Orthopadishe Industrie Besitz-und VerWaltungs-Kommanditgesellsc	Prosthetic knee joint

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
May 24 1999		Swanson Orthotic & Prosthetic Center, Inc.	(assignment on the face of the patent)
Mar 15 2000	SWANSON, VERNER M , SR	SWANSON ORTHOTIC & PROSTHETIC CENTER, INC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	010720	0468	pdf
Aug 19 2003	SWANSON ORTHOTIC & PROSTHETIC CENTER, INC	SWANSON, SR , VERNER M	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	013887	0467	pdf

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