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The ornamental design for a wind force turbine for the production of electricity, as shown and described.
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FIG. 1 is a front view of a wind force turbine for the production of electricity showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is left side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a front perspective view thereof; and,
FIG. 8 is a rear perspective view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 26 2002 | KBE Windpower GmbH | (assignment on the face of the patent) | / | |||
Apr 17 2002 | EHRENBERGER, MICHAEL | KBE Windpower GmbH | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012861 | /0475 | |
Dec 21 2006 | KBE Windpower GmbH | LUETHI-POOS, EVA | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 018816 | /0763 |
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