U.S. federal trademark · Serial No. 71561998 · Reg. No. 0532728
MECHANICAL DRY-TYPE DUST ARRESTORS OR COLLECTORS OF THE VIBRATING POCKET TYPE USING AIR POROUS SHEET-LIKE FILTER MEDIA IN THE FORM OF CUT SHEETS OF FIBER GLASS, PAPER, AND CLOTH AND IN THE FORM OF PRE-FABRICATED POCKETS OF WOVEN GLASS AND CLOTH AND MECHANICAL DRY-TYPE VENTILATING AIR FILTERS OF THE PORTABLE CELL TYPE USING AIR POROUS SHEET-LIKE FILTER MEDIA IN THE FORM OF ROLLS AND CUT SHEETS OF FIBER GLASS, PAPER, SYNTHETIC FIBERS, OR COTTON WADDING, AND IN THE FORM OF ROLLS OF CLOTH
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