4. Measuring and testing
  5. With fluid pressure
  6. Porosity or permeability

Larry Keith Johnson

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Colorants containing copolymerizable vinyl groups and...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Reexamination Certificate

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Constant-head soil permeameter for determining the hydraulic...

Measuring and testing – With fluid pressure – Porosity or permeability
Reexamination Certificate

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Thermally stable, anthraquinone colorants containing...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate

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Thermally stable, anthraquinone colorants containing...

Organic compounds -- part of the class 532-570 series – Organic compounds – Polycyclo ring system containing anthracene configured ring...
Reexamination Certificate

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Thermally stable, anthraquinone colorants containing...

Organic compounds -- part of the class 532-570 series – Organic compounds – Polycyclo ring system containing anthracene configured ring...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2619556

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