Nashua, NH, United States of America

Daniel Lyle Callahan

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Hewlett-Packard Development Company, L.p.. Active years: 2003-2009.

USPTO Granted Patents = 5 

% Patents Active = 60.0

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 2003-2009

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5 patents (USPTO):Explore Patents
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