4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Richard Schafer

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Elevator car position sensing system

Data processing: measuring – calibrating – or testing – Measurement system – Orientation or position
Reexamination Certificate

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Method of making contact springs

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Profile ID: LFUS-PAI-P-805272

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