4. Acoustics
  5. Geophysical or subsurface exploration
  6. Well logging

Donald K. Mitchell

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Apparatus for detecting relative movement

Electricity: motive power systems – Braking – Automatic and/or with time-delay means
Patent

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Apparatus for detecting relative movement wherein a detecting me

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent

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Boom gooseneck fitting providing mainsail roller-furling

Ships – Sail or control means therefor – Reefing and furling
Patent

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Diffuse surface interference position sensor

Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent

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Digital logarithmic apparatus

Boots – shoes – and leggings
Patent

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Profile ID: LFUS-PAI-P-38417

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