Patent
   D646636
Priority
Sep 27 2010
Filed
Mar 25 2011
Issued
Oct 11 2011
Expiry
Oct 11 2025
Assg.orig
Entity
unknown
12
10
n/a
The ornamental design for an energy production device, as shown and described.

FIG. 1 is a front, left perspective view of an energy production device showing my new design;

FIG. 2 is a front elevational view of the energy production device;

FIG. 3 is a rear elevational view of the energy production device;

FIG. 4 is a left side view of the energy production device; and,

FIG. 5 is a right side view of the energy production device.

The top and bottom surfaces are flat and unornamented.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design.

Riimala, Arto

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Patent Priority Assignee Title
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Mar 22 2011RIIMALA, ARTOWartsila Finland OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0260250108 pdf
Mar 25 2011Wartsila Finland Oy(assignment on the face of the patent)
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