4. Boots, shoes, and leggings

David R. Markus

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Apparatus for determining when a preselected phase relationship

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Phase comparison
Patent

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Apparatus protecting a synchronous machine from under excitation

Electricity: single generator systems – Automatic control of generator or driving means – Plural conditions
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Minimum time delay filtering method for automatic voltage regula

Electricity: single generator systems – Automatic control of generator or driving means – Voltage of generator or circuit supplied
Patent

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Thermal protection apparatus for a synchronous machine

Boots – shoes – and leggings
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Profile ID: LFUS-PAI-P-65745

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