4. Photocopying
  5. Projection printing and copying cameras
  6. With cathode ray tube for light source

Paul H. Friedrich

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Adjustable arm rest trigger handle

Chairs and seats – Armrest – Attachable to diverse chairs or seats; i.e. – portable
Patent

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Control system for microimage recorders

Photocopying – Projection printing and copying cameras – With cathode ray tube for light source
Patent

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Film duplication system for microimage recorders

Photocopying – Contact printing – Machine
Patent

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Folding wheelchair having adjustable wheels and armrests

Land vehicles – Wheeled – Occupant propelled type
Patent

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Wheelchair frame

Transportation – Perambulator – invalid chair – or stretcher – Element or attachment
Patent

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Profile ID: LFUS-PAI-P-633787

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