4. Measuring, testing, or signalling instruments
  5. Security or signal instrument or casing
  6. Aural, i.e., audible

Edward Hatfield

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Combined curb feeler and alarm

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Aural – i.e. – audible
Patent

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Load size measuring apparatus and method

Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Manipulation of liquid
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Motor apparatus and method

Electricity: motive power systems – Induction motor systems – Braking
Reexamination Certificate

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Profile ID: LFUS-PAI-P-909920

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