Duo-propeller

Description

FIG. 1 is a perspective view of a duo-propeller, showing my new 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 broken lines in FIGS. 1-7 represent portions of the duo-propeller that form no part of the claimed design.

Claims

The ornamental design for a duo-propeller, as shown and described.