SPRUNG INSTANT STRUCTURES
WARES-NAMELY, FRAME SUPPORTED STRESSED MEMBRANE BUILDINGS; COMPONENTS THEREFOR-NAMELY, STRAIGHT AND CURVED BEAMS AND TRUSSES, BASE PLATE ANGLES, FOOTING PLATES, BASES, PADS, BUTT JOINT AND TOP JOINT SPLICE PLATES, FABRIC HOLDING CAPS, SPREADERS, RIDGE CONES, BOLTS, NUTS AND WASHERS, FABRIC PANELS, AND GROUND ANCHORS
Registered · March 15, 1977 · 73119197 ·