4. Machines not elsewhere specified
  5. Material working, abrading, or founding machinery
  6. Molding or casting

Frank A. Duchnowski

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Apparatus for forming paper on a cylinder mold

Machines not elsewhere specified – Material working – abrading – or founding machinery – Molding or casting
Patent

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Cylinder mold former with flow box and pressure lid

Paper making and fiber liberation – Processes and products – Running or indefinite length work forming and/or treating...
Patent

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Radial diffuser

Agitating – Having specified feed means – Liquid injector within mixing chamber
Reexamination Certificate

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Profile ID: LFUS-PAI-P-401765

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