76085673
Jul 10, 2000
Jun 4, 2002
Precast concrete structural elements for constructing shoreline erosion control measures and the like, namely-- walls or bulkheads, Inverted T-shaped structures, Precast concrete boxes, Railroad tie-shaped ramp sections, Pier structures, boathouses, wharves, and steps and railings for the afore-mentioned items
Nonmetallic Building Materials