4. Liquid purification or separation
  5. Processes
  6. Including controlling process in response to a sensed condition

Charles F. Helms, Jr.

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Additive-containing synthetic filaments, and yarns and carpets i

Stock material or miscellaneous articles – Pile or nap type surface or component – Composition of pile or adhesive
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Apparatus and method for direct injection of additives into...

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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Apparatus and method for direct injection of additives into...

Fluid handling – Systems
Reexamination Certificate

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Continuous polymerization and direct fiber spinning and...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in two or more physically distinct zones
Reexamination Certificate

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Continuous polymerization and direct fiber spinning and...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in two or more physically distinct zones
Reexamination Certificate

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Profile ID: LFUS-PAI-P-184757

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