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Steward & Stevenson Services, Inc.
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Houston, TX, US
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last 30 patents
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Patent Grant
Automatic cementing system for precisely obtaining a desired cement...
Patent number
5,590,958
Issue date
Jan 7, 1997
Steward & Stevenson Services, Inc.
Michael P. Dearing
B28 - WORKING CEMENT, CLAY, OR STONE
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last 30 patents
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