US Patent 7845266 Modular polymeric projectile absorbing armor

A building block for constructing a projectile absorbing armor. The building block has at least one interlocking male connector and at least one female connector. The interlocking male connector and said female connector are sized for interlocking engagement. The invention is also generally directed to a structure having projectile absorbing armor having at least two building blocks in interlocking engagement. The building blocks are constructed from projectile resistant material and may have various features to prevent the passage of a projectile through the block.