4. Abrading
  5. Abrading process
  6. Roll, roller, shaft, ball, or piston abrading

Marvin L. Union

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Loading mechanism for pulley splitter

Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent

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Method and apparatus for simultaneously grinding a workpiece wit

Abrading – Abrading process – Roll – roller – shaft – ball – or piston abrading
Patent

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Panic-proof lockset

Closure fasteners – Bolts – Multiple
Patent

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Zero force hold open door closer

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers
Patent

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