4. Photocopying
  5. Projection printing and copying cameras
  6. With film severing

Frank W. McDonald

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Photo-processing device

Photocopying – Projection printing and copying cameras – With film severing
Patent

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Watercraft docking

Ships – Vessel raising and docking – Floating dry docks
Patent

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Wheel-wear monitor

Measuring and testing – Tire – tread or roadway – Tire inflation testing installation
Patent

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Profile ID: LFUS-PAI-P-497560

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