US Patent 9028690 Water treatment cartridge
Patent 9028690 was granted and assigned to 3M on May, 2015 by the United States Patent and Trademark Office.
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Patent abstract
A manually-operated gravity-flow water treatment cartridge for use in a portable water treatment device having a filtered water reservoir includes a housing comprising a framework defining a plurality of compartments that contain solid particulate water treatment media loosely arranged therein.
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Patent Inventor Names
Kannan Seshadri0
Stephen M. Sanocki0
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US Patent 09028690 Water treatment cartridge US Patent 9028690 Water treatment cartridge
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Patent Number
09028690
Patent Number
9028690
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Official Website
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US Patent 09028690 Water treatment cartridge
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Is a
Current assignee
Patent jurisdiction
Patent number
09028690
Date of patent
May 12, 2015
Patent application number
13450247
Date Filed
April 18, 2012
Patent primary examiner
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