4. Mining or in situ disintegration of hard material
  5. Cutter tooth or tooth head
  6. Rolling or rotatable-type bit mount

Robert L. Meyer

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Electrical connection for porous material

Gas separation – With nonliquid cleaning means for separating media – With heating or cooling means
Reexamination Certificate

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Electrically regenerated exhaust particulate filter for an...

Gas separation – With nonliquid cleaning means for separating media – With heating or cooling means
Reexamination Certificate

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Ester-containing downhole drilling lubricating composition...

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic -co- compound
Reexamination Certificate

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Precast concrete column for use in post-frame construction

Static structures (e.g. – buildings) – Footing or foundation type – Framework spans footings
Reexamination Certificate

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Rotary cutter for tunnel boring machine

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Rolling or rotatable-type bit mount
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2249963

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