Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Design Patent
2009-10-02
2010-11-02
Webster, Robin V (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Design Patent
active
D0626621
CLAIM:
The ornamental design for a water treatment device, as shown and described.
REFERENCES:
patent: 2204158 (1940-06-01), Serio et al.
patent: 3803998 (1974-04-01), Kimber, Jr.
patent: D289726 (1987-05-01), Greutert
patent: 6521124 (2003-02-01), Northcut et al.
patent: D609051 (2010-02-01), Hofer
Chang Shu Kun
Cobian Paul J.
Cooper James M.
Hauble Gretchen A.
Karahalios Anastasios G.
3M Innovative Properties Company
Patchett David B.
Webster Robin V
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