David W. Powell

City:

Austin, Texas

Country:

United States

Published Applications:

Last publication date:

2019-12-03

Recent patent applications by Powell David W.

David W. Powell from Austin, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Precast park refuge construction method and apparatus

System for construction of a compression structure with corner blocks, key blocks, and corner block supports

Method and apparatus for precast wall and floor block system

Precast construction method and apparatus for variable size elevated platform

Method and apparatus for precision slip-forming of complex precast shapes

InventorID:

4293911 ⎘