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

Ron Bergold

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Handle for a cleaning tool

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

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Portable projection screen assembly

Optical: systems and elements – Projection screen
Reexamination Certificate

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Portable projection screen assembly

Optical: systems and elements – Projection screen
Reexamination Certificate

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Portable screen assemblies for projectors

Optical: systems and elements – Projection screen
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2939572

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