The ornamental design for a pair of positive and negative bi-pin adapters for solid state light sources, as shown and described.
FIG. 1 is a perspective view of our new design for a pair of positive and negative bi-pin adapters for solid state light sources showing the positive bi-pin adapter separately;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is an opposite side view thereof;
FIG. 6 is a front view thereof;
FIG. 7 is a back view thereof;
FIG. 8 is a perspective view showing the negative bi-pin adapter separately;