4. Seal for a joint or juncture
  5. Seal between relatively movable parts
  6. Close proximity seal

John W. Putnam

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Composite abradable material

Seal for a joint or juncture – Seal between relatively movable parts – Close proximity seal
Reexamination Certificate

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Corrosion resistant surface treatment for structural...

Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Reexamination Certificate

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Mixable room temperature castable polyurethane system

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Reexamination Certificate

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