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The ornamental design for a knee joint, as shown and described. |
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The article in which the design is embodied is intended for use in a prosthesis.
FIG. 1 is a front view;
FIG. 2 is a rear view;
FIG. 3 is a left side view;
FIG. 4 is a right side view;
FIG. 5 is a bottom view; and,
FIG. 6 is a top view.
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| Sep 16 1998 | SAWATZKI, STEFFEN | OTTO BOCK ORTHOPAEDISCHE INDUSTRIE BESITZ- UND VERWALTUNGS KOMMANDITGESELLSCHAFT | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009491 | /0287 | |
| Sep 25 1998 | Otto Bock Orthopaedische Industrie Besitz-und | (assignment on the face of the patent) | / |
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