Delphion
www.delphion.com
 
 
Boliven

www.boliven.com⁄patents
 
 
Total patent

www.lexisnexis.com⁄totalpatent⁄
 
 
Thomson Innovation

www.thomsoninnovation.com
 
Micropatent
www.micropat.com⁄static⁄index.htm
 
DWPI
http:⁄⁄thomsonreuters.com⁄products_services⁄legal⁄legal_products⁄a-z⁄derwent_world_patents_index⁄
 
 
Google

https:⁄⁄www.google.com⁄?tbm=pts
 
 
 
 
 

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