4. Measuring and testing
  5. Specific gravity or density of liquid or solid
  6. With weighing feature

John C. Hay, Jr.

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Apparatus for measuring physical properties of matter

Measuring and testing – Specific gravity or density of liquid or solid – With weighing feature
Reexamination Certificate

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Method and apparatus for measuring physical properties of...

Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
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Method and apparatus for measuring physical properties of...

Measuring and testing – Instrument proving or calibrating
Reexamination Certificate

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Multidimensional contact mechanics measurement system

Geometrical instruments – Gauge – With support for gauged article
Reexamination Certificate

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