77378418
Jan 23, 2008
Nov 11, 2008
Non-metal seals for use in sealing cast concrete; Rings of rubber for use as pipe connection seals; Seals for cast-in-place concrete tube pipe connections; Non-metal gaskets for cast-in-place concrete to pipe joints; Polymer material in the form of resilient, macroscopic bodies shaped into brick, block, or other preshaped forms, which bodies entrap hydrocarbons, chemical waste products, or bacteria
Rubber Goods