4. Plastic and nonmetallic article shaping or treating: processes
  5. Including step of generating heat by friction

Werner Handl

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Composition for the preparation of pencil lead

Compositions: coating or plastic – Coating or plastic compositions – Corrosion inhibiting coating composition
Patent

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Eraser and process for its manufacture

Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Forming continuous work followed by cutting
Patent

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Eraser and process for its manufacture

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent

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Eraser with thermoplastic binder

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent

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Foamed rubber erasers and process for the production thereof

Brushing – scrubbing – and general cleaning – Implements – Eraser
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Profile ID: LFUS-PAI-P-101197

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