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The ornamental design for an ergonomic hand tool, as shown and described.
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FIG. 1 is a front view of the invention.
FIG. 2 is a back view of the invention.
FIG. 3 is a left side view of the invention.
FIG. 4 is a right side view of the invention.
FIG. 5 is an enlarged top view of an enlarged invention.
FIG. 6 is an enlarged bottom view of the invention.
FIG. 7 is a first perspective view of the invention.
FIG. 8 is a second perspective view of the invention; and,
FIG. 9 is a third perspective view of the invention.
The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.
The surface shading in the drawings is intended only to show the character and contour of the surfaces and not surface indicia.
Marshall, Kenneth C., van Geldern, Peter, Marshall, Melinda M.
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