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Patent US20070251105 - Electric pencil sharpener - Google Patents

Patent US20070251105 - Electric pencil sharpener - Google Patents

KS Manual Classroom Pencil Sharpener by X-ACTO® EPI1031LMR

KS Manual Classroom Pencil Sharpener by X-ACTO® EPI1031LMR

Patent US3486540 - Electric pencil sharpener - Google Patents

Patent US3486540 - Electric pencil sharpener - Google Patents

Pencil_sharpener_mechanism – JSTM

Pencil_sharpener_mechanism – JSTM

Patent EP2078617B1 - Safety device for an electric pencil sharpener

Patent EP2078617B1 - Safety device for an electric pencil sharpener

Mechanism Description: Electric Pencil Sharpener - Wisc-Online OER

Mechanism Description: Electric Pencil Sharpener - Wisc-Online OER

Pencil Sharpener - Patent application

Pencil Sharpener - Patent application

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