surface drainage systems and components thereof, namely, grates and trench installable, bolt-together box type conduit and connector sections, sumps and traps that are assemblable at installation sites for being supported by poured concrete, formed primarily from metal

'assembl':26 'bolt':13 'bolt-togeth':12 'box':15 'compon':5 'concret':35 'conduit':17 'connector':19 'drainag':2 'form':36 'grate':8 'instal':11,28 'metal':39 'name':7 'pour':34 'primarili':37 'section':20 'site':29 'sump':21 'support':32 'surfac':1 'system':3 'thereof':6 'togeth':14 'trap':23 'trench':10 'type':16

PREFORM

Owners

Goods & Services