Merseyside, United Kingdom

John Slemmen

This inventor holds 1 USPTO granted patent and 7 published patent applications. Top assignee: Yoke Enterprises Ltd. Active years: 2011.

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2011

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1 patent (USPTO):Explore Patents
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