Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Design Patent
2011-05-19
2011-10-11
Webster, Robin V (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Design Patent
active
D0646751
CLAIM:
The ornamental design for a filter, as shown and described.
REFERENCES:
patent: 5779903 (1998-07-01), Smith et al.
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patent: D414544 (1999-09-01), Ward et al.
patent: 6096207 (2000-08-01), Hoffman et al.
patent: D527439 (2006-08-01), Liu et al.
patent: D548307 (2007-08-01), Reynolds et al.
patent: 7744757 (2010-06-01), Liao
patent: 7771595 (2010-08-01), Reynolds et al.
Deedrich Dennis M.
Eisenmenger Richard J.
Hacker John R.
Harder David B.
Heibenthal Randall W.
Advanced Filtration Systems Inc.
Caterpillar Inc.
Donaldson & Company, Inc.
Miller Matthias & Hull
Webster Robin V
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