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The ornamental design for a hydraulic excavator, as shown and described.
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The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 24 2011 | IWATA, TERUHISA | Komatsu Ltd | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 027250 | 0250 | |
Nov 10 2011 | Komatsu Ltd | (assignment on the face of the patent) |
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