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Don S. Sifers
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Fairway, KS, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for controlling odors
Patent number
9,955,829
Issue date
May 1, 2018
Environmental Purification, LLC
Don S. Sifers
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method and apparatus for controlling odors
Patent number
9,265,389
Issue date
Feb 23, 2016
Environmental Purification, LLC
Don S. Sifers
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method and apparatus for controlling odors
Patent number
9,017,606
Issue date
Apr 28, 2015
Environmental Purification, LLC
Don S. Sifers
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method and apparatus for controlling fecal odors
Patent number
8,784,739
Issue date
Jul 22, 2014
Environmental Purification, LLC
Don S. Sifers
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method and apparatus for controlling fecal odors
Patent number
8,475,718
Issue date
Jul 2, 2013
Environmental Purification, LLC
Don S. Sifers
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR CONTROLLING ODORS
Publication number
20160262584
Publication date
Sep 15, 2016
ENVIRONMENTAL PURIFICATION, LLC
Don S. Sifers
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
METHOD AND APPARATUS FOR CONTROLLING ODORS
Publication number
20150190020
Publication date
Jul 9, 2015
ENVIRONMENTAL PURIFICATION, LLC
Don S. Sifers
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
METHOD AND APPARATUS FOR CONTROLLING FECAL ODORS
Publication number
20140289942
Publication date
Oct 2, 2014
Don S. Sifers
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Method and apparatus for controlling fecal odors
Publication number
20100221145
Publication date
Sep 2, 2010
Ann Rogers Business Trust
Don S. Sifers
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Method and apparatus for controlling fecal odors
Publication number
20080063991
Publication date
Mar 13, 2008
Don S. Sifers
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES