Woking, United Kingdom

Derek P Allsop

This inventor holds 2 USPTO granted patents. Top assignees: Sony Corporation, The Singer Company. Active years: 1988.


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 66(Granted Patents)


Company Filing History:


Years Active: 1988

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2 patents (USPTO):Explore Patents
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