found 5 in 299ms
patent
score
priority
expiry  
expired
references
current assignee
title
412374711977-05-201997-05-201129International Business Machines Corporation;  Identity verification method and apparatus
450075041981-12-302002-02-19178International Business Machines Corporation;  Cryptographic application for interbank verification
496913071989-09-292009-09-291103WESTERNGECO, L L C ;  System for monitoring the changes in fluid content of a petroleum reservoir
4335965451978-07-071999-06-2215DRESSER INDUSTRIES, INC , A CORP OF DE ;  Fiber-resin blending technique
4260265531978-07-071998-07-0714DRESSER INDUSTRIES, INC , A CORP OF DE ;  Fiber-resin blending technique