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The ornamental design for a prosthetic knee joint, as shown. |
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FIG. 1 is a three quarter right side and rear view of the prosthetic knee joint;
FIG. 2 is a left side view of the prosthetic knee joint;
FIG. 3 is a right side view of the prosthetic knee joint;
FIG. 4 is a rear view of the prosthetic knee joint;
FIG. 5 is a front view of the prosthetic knee joint;
FIG. 6 is a top plan view of the prosthetic knee joint; and,
FIG. 7 is a bottom plan view of the prosthetic knee joint.
Wagner, Helmut, Wellershaus, Ulf
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 24 1995 | WELLERSHAUS, ULF | OTTO BOCK ORTHOPADISHE INDUSTRIE BESITZ-UND VERWALTUNGS-KOMMANDITGESELLSCHAFT | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007623 | 0327 | |
| Jul 24 1995 | WAGNER, HELMUT | OTTO BOCK ORTHOPADISHE INDUSTRIE BESITZ-UND VERWALTUNGS-KOMMANDITGESELLSCHAFT | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007623 | 0327 | |
| Aug 09 1995 | Otto Bock Orthopadishe Industrie Besitz-und VerWaltungs-Kommanditgesellsc | (assignment on the face of the patent) |
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