U.S. federal trademark · Serial No. 75924015 · Reg. No. 2479477
COMPUTER SOFTWARE FOR CALCULATING LABYRINTH LEAKAGE FLOW RATE FOR STRAIGHT THROUGH OR FOR INTERLOCKING (STEPPED) LABYRINTHS AND FOR ESTIMATING THE EFFECT OF LABYRINTH SEAL CLEARANCE ON COMPRESSOR PERFORMANCE AND THE SOFTWARE IS FIELD-SPECIFIC AND USED IN THE FIELDS OF CHEMICAL AND MECHANICAL ENGINEERING
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