Seattle, WA, United States of America

David A Schappell

This inventor holds 8 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent. Top assignee: Amazon Technologies, Inc.. Active years: 2008-2012.

USPTO Granted Patents = 8 

% Patents Active = 62.5


Average Co-Inventor Count = 7.0

ph-index = 8

Forward Citations = 304(Granted Patents)


Company Filing History:


Years Active: 2008-2012

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8 patents (USPTO):Explore Patents

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