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Ahmed Ben Salah
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Houston, TX, US
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last 30 patents
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Patent Grant
Pipe alignment device
Patent number
5,033,907
Issue date
Jul 23, 1991
Hugh W. O'Donnell
E21 - EARTH DRILLING MINING
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Patent Grant
Pipe connection device
Patent number
5,018,903
Issue date
May 28, 1991
Hugh W. O'Donnell
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...