(10) US 2015/0040499 Al
(22) Aug. 7, 2013
(43) Feb. 12, 2015
(71) Benjamin Bravo, Caguas, PR (US); Heriberto Luis Bravo, Caguas, PR (US)
(57) These modules can also be grouped as necessary for additional space, or other purposes. Each module consists of a horizontal slab, vertical walls along the perimeter of the slab, interior walls positioned according to individual spatial configuration, and a pre-stressed roof. Roof is a separate, prestressed element in which will be welded and bolted to the perimeter walls of the module. The roof is provided with holes for screws used for attachment, and PVC...