4. Environmental heating and cooling; fluid handling and sanitary e
  5. Heating or cooling
  6. Element or attachment, not elsewhere specified

Edward R. Wadleigh

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Antiburst system for water lines

Pipes and tubular conduits – With pressure compensators – Freeze protecting
Patent

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Film transport system for microfilm reader

Optics: image projectors – Selective data retrieval – Film strip
Patent

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Microfilm reader

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

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Microfilm reader display panel

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

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Solar collector

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent

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Profile ID: LFUS-PAI-P-1406861

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