Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Design Patent
2008-12-18
2010-12-21
Webster, Robin V (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Design Patent
active
D0629488
CLAIM:
The ornamental design for a water filtration device, as shown and described.
REFERENCES:
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patent: D313642 (1991-01-01), Carrano et al.
patent: 5560404 (1996-10-01), Blair et al.
patent: D407462 (1999-03-01), Bishop et al.
patent: D444845 (2001-07-01), Hilgers et al.
patent: D496984 (2004-10-01), Costa et al.
Chang Shu Kun
Cooper James M.
Karahalios Anastasios G.
Kelly Elizabeth R.
Kinzer Kevin E.
3M Innovative Properties Company
Patchett David B.
Webster Robin V
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