4. Refrigeration
  5. Hand manipulable tool

Robert L. Stevenson

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Heat recovery unit for stoves

Heat exchange – With scraper removing product from temperature modifying...
Patent

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Industrial furnace

Furnaces – Combined
Patent

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Manual refrigeration apparatus

Refrigeration – Hand manipulable tool
Patent

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Manual refrigeration apparatus

Machines not elsewhere specified – Refrigeration machinery and apparatus
Patent

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Remote control and racking device for medium-voltage circuit...

Electricity: circuit makers and breakers – Interlocking – Drawout-type switchgear
Reexamination Certificate

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Profile ID: LFUS-PAI-P-631907

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