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

David B. Levine

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Battery powered screwdriver

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

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Battery powered screwdriver and screw starting device

Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate

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Power tool having a quick-release chuck assembly

Cutting by use of rotating axially moving tool – Tool-support – With tool-retaining means
Reexamination Certificate

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Wireless lighting devices and applications

Illumination – Plural light sources – With support
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2687027

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