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

Roto Frank of America, Inc.

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Casement window lock handle

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

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Casement window operator

Bleaching and dyeing; fluid treatment and chemical modification – Measuring – testing – or inspecting dye process
Design Patent

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Casement window operator with adjustable bushing

Movable or removable closures – With operator for movably mounted closure – Operating lever or link and closure swing about parallel axes
Reexamination Certificate

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Casement window with improved tie bar guide and striker

Movable or removable closures – With means mounting closure for swinging – With latch or lock
Reexamination Certificate

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Housing

Bleaching and dyeing; fluid treatment and chemical modification – Measuring – testing – or inspecting dye process
Design Patent

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Profile ID: LFUS-PAI-P-2056105

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