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

Propeller fan

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

Patent

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Details

D23411, 2304

Patent

active

D04196694

REFERENCES:
patent: 13349 (1912-01-01), Schlotter
patent: 1127143 (1915-02-01), Wiedling
patent: 5437541 (1995-08-01), Vainrub

Genno Harutaka

Inventor

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Iijima Morinobu

Inventor

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Rakuma Tsuyoshi

Inventor

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Shinshi Mikiyasu

Inventor

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Toya Yoshinori

Inventor

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Lichtenstein Lisa

Examiner

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Sanyo Electric Co,. Ltd.

Corporate Assignee

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