4. Optics: motion pictures
  5. Removable film strip magazine type
  6. With magazine ejecting

John P. Bagby

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Film advancement control for motion picture projector

Optics: motion pictures – With sound accompaniment – Common picture and sound record carrier systems
Patent

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Film cassette sensing and retaining unit

Optics: motion pictures – Removable film strip magazine type – With magazine ejecting
Patent

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Film drive mode change actuator

Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent

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Film handling apparatus blower system

Optics: image projectors – Temperature control – Blower
Patent

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Glass structure strengthening by etching

Glass manufacturing – Processes – With chemically reactive treatment of glass preform
Patent

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Profile ID: LFUS-PAI-P-394637

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