Figure 2 Jensen

Figure 2 from United States Patent 4,347,280 which is this file: File:US4347280.pdf

The figure depicts the cross section of a material designed to minimize the shock of impact of batting in baseball and also of racquet sports. It depicts the design of a poromeric material.

patent drawings united states e william jensen united states patent drawings uspto technical drawing patent application

31/08/1982

This is an extracted image from File:US4347280.pdf which is already on the Wikimedia Commons.

http://commons.wikimedia.org/

Public Domain