Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Design Patent
2006-10-10
2006-10-10
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
D0530006
CLAIM:
The ornamental design for a centrifugal fan wheel, as shown and described.
REFERENCES:
patent: D227012 (1973-05-01), Ranz
patent: D438950 (2001-03-01), Frampton
patent: 6540476 (2003-04-01), Huang et al.
Li Nien-Lun
Wang Fu-Yin
Datech Technology Co., Ltd.
Lichtenstein Lisa
Troxell Law Office PLLC
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