4. Measuring and testing
  5. Liquid level or depth gauge

James Howell

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Auxilary handle device for use with conventional handheld...

Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Reexamination Certificate

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Method and apparatus for subterranean liquid level measurement

Measuring and testing – Liquid level or depth gauge
Patent

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Method and apparatus for the monitoring and control of a...

Optical waveguides – Miscellaneous
Reexamination Certificate

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Method and apparatus for the monitoring and control of...

Optical waveguides – Optical waveguide sensor – Including physical deformation or movement of waveguide
Reexamination Certificate

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Method for the monitoring and control of a process

Optical waveguides – Optical waveguide sensor – Including physical deformation or movement of waveguide
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1739801

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