U.S. federal trademark · Serial No. 79110742 · Reg. No. 4287341
Machines and apparatus for the discharge of materials, namely, fluidification nozzles and plates as part of machines for aiding material flow in factories; vibrator for industrial use in the nature of machines for aiding material flow in factories, namely, air cannons,external electric vibrator, [ combined percussion hammers, ] pneumatic hammers, pneumatic vibrators, vibrating bin aerator
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