4. Measuring and testing
  5. Volume or rate of flow
  6. Thermal type

James W. Oram

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Air flow monitor and temperature compensating circuit therefor

Measuring and testing – Volume or rate of flow – Thermal type
Patent

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Battery evaluation test system

Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent

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Control and alarm system for sump pump

Electricity: motive power systems – Automatic and/or with time-delay means – Level of fluid or granular material
Reexamination Certificate

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Lighting device for enclosed areas

Electric lamp and discharge devices: systems – Pulse storing systems of the gaseous discharge-tube type
Patent

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Lighting device for plants

Lighting – Light fixture – Combined with diverse article
Patent

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Profile ID: LFUS-PAI-P-1105218

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