4. Measuring and testing
  5. Vibration
  6. By mechanical waves

Paul Friedrich

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Convertible wheelchair

Land vehicles – Wheeled – Extensible
Reexamination Certificate

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Document processing system having a straight line document path

Photocopying – Projection printing and copying cameras – Copying both sides of original
Patent

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Failsafe weld-free method of joining tubular elements

Joints and connections – Rod to member to side – e.g. – plate – rod side – etc. – Intermediate member includes tubular part
Reexamination Certificate

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Method of wheelchair construction

Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate

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Rigid frame weldless wheelchair

Land vehicles – Wheeled – Occupant propelled type
Patent

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Profile ID: LFUS-PAI-P-848232

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