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Nulling and measuring system
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Patent number 5,440,928
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Issue date Aug 15, 1995
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Delta-G Instruments, Inc.
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Theodore V. Lautzenhiser
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G01 - MEASURING TESTING
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Gravity gradiometer and method
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Patent number 4,513,618
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Issue date Apr 30, 1985
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Standard Oil Company (Indiana)
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Theodore V. Lautzenhiser
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G01 - MEASURING TESTING
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Borehole gradiometer
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Patent number 4,457,077
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Issue date Jul 3, 1984
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Standard Oil Company
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Theodore V. Lautzenhiser
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E21 - EARTH DRILLING MINING
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Gravity meter and method
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Patent number 4,445,371
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Issue date May 1, 1984
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Standard Oil Company (Indiana)
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Theodore V. Lautzenhiser
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G01 - MEASURING TESTING
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