The ornamental design for a stand for a handheldpipettor, as shown and described.
FIG. 1 is a perspective view of a stand for a handheld pipettor incorporating the design.
FIG. 2 is a front elevation view thereof.
FIG. 3 is a rear elevation view thereof.
FIG. 4 is a left side elevation view thereof.
FIG. 5 is a right side elevation view thereof.
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The dot, dash, or broken lines depict boundaries of the claim and form no part thereof. The dash lines depict portions of the stand for a handheld pipettor that form no part of the claimed design.