U.S. federal trademark · Serial No. 72197098 · Reg. No. 0794758
PNEUMATIC CONVEYING APPARATUS FOR GRANULAR, CRYSTALLINE AND FIBROUS MATERIAL CAPABLE OF BEING FLUIDIZED INCLUDING A PRESSURE VESSEL WHICH ALTERNATELY RECEIVES SAID MATERIAL AND THEN DISCHARGES SAID MATERIAL IN A FLUIDIZED STATE THROUGH A PIPE
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