PATLY.AIApplication
13295968 · AMBIENT AIR BACKFLUSHED FILTER VACUUM
Filed 2011-11-14 · Granted · Patent 8312894 (2012-11-20) The official file ↗The patent and its PDF ↗ · Art unit 3753 · Examiner Seth J Faulb Typical · CPC A47L 9/20 · GABLEGOTWALS
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