Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Design Patent
2003-04-17
2004-02-10
Lichtenstein, Lisa (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Design Patent
active
D0486572
CLAIM:
The ornamental design for an impeller, as shown and described herein.
REFERENCES:
patent: D453827 (2002-02-01), Kuo et al.
patent: D463021 (2002-09-01), Huang et al.
Chen Te-Fu
Hsieh Ju-Wen
Lei Tsung-Yu
Birch & Stewart Kolasch & Birch, LLP
Delta Electronics , Inc.
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