4. Bleaching and dyeing; fluid treatment and chemical modification
  5. Treatment of hides, skins, feathers and animal tissues
  6. Tanning

Colin Duffy

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Powered oscillating hand tool

Abrading – Frame or mount – Portable abrader
Reissue Patent

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Powered oscillating hand tool

Abrading – Frame or mount – Portable abrader
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Powered oscillating hand tool

Abrading – Frame or mount – Portable abrader
Reissue Patent

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Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
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