4. Measuring, testing, or signalling instruments
  5. Measuring, regulating or indicating instrument, or casing
  6. Weight, force or density

William J. Ballot

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Dual inlet base pressure instrument

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Design Patent

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Pressure transmitter with dual inlet base and dual...

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Design Patent

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Pressure transmitter with dual inlet base and economy housing

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Design Patent

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Pressure transmitter with dual inlet base and single...

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Design Patent

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Pressure transmitter with improved isolator system

Measuring and testing – Fluid pressure gauge – Diaphragm
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2019276

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