Patent Publication Number: US-D505952-S

Title: Ergonomic and functionally-efficient one-hand user input interface

Description:
FIG. 1 is a perspective view of an ergonomic and functionally-efficient one-hand user input interface, in accordance with the present invention. 
     FIG. 2 is a top view thereof. 
     FIG. 3 is an underside view thereof. 
     FIG. 4 is a front view thereof. 
     FIG. 5 is a rear view thereof. 
     FIG. 6 is a is a side view thereof; 
     FIG. 7 is a corresponding side view thereof; and, 
     FIG. 8 is a corresponding cut-away of the side view thereof. 
     The broken lines showing the environment in the figures are for illustrative purposes only and form no part of the claimed design.