4. Horology: time measuring systems or devices
  5. Chronological
  6. With significant casing or mounting support structure

Walter Obergfell

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Clock movement

Horology: time measuring systems or devices – Chronological – With significant casing or mounting support structure
Patent

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Clockwork stepping motor stator and process for making same

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Slide switch

Electricity: circuit makers and breakers – Electric switch details – Contact
Patent

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Profile ID: LFUS-PAI-P-234128

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