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Ivor Selwyn Sacks
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Chevy Chase, MD, US
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last 30 patents
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Patent Grant
Strain monitoring system
Patent number
5,900,545
Issue date
May 4, 1999
Carnegie Institution of Washington
Ivor Selwyn Sacks
E21 - EARTH DRILLING MINING
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Patent Grant
Two-stage strain-sensing device and method
Patent number
5,739,435
Issue date
Apr 14, 1998
Carnegie Institution of Washington
Ivor Selwyn Sacks
E21 - EARTH DRILLING MINING