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Patent EP2078617B1 - Safety device for an electric pencil sharpener

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ELECTRIC PENCIL SHARPENER WITH A REPLACEABLE CUTTER ASSEMBLY - Patent

ELECTRIC PENCIL SHARPENER WITH A REPLACEABLE CUTTER ASSEMBLY - Patent
ELECTRIC PENCIL SHARPENER WITH A REPLACEABLE CUTTER ASSEMBLY - Patent

Patent US20070251105 - Electric pencil sharpener - Google Patents
Patent US20070251105 - Electric pencil sharpener - Google Patents

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Patent US6886614 - Pencil sharpener - Google Patents

Patent US8205649 - Cutter assembly and electric pencil sharpener
Patent US8205649 - Cutter assembly and electric pencil sharpener

Patent US3678975 - Electric pencil sharpener - Google Patents
Patent US3678975 - Electric pencil sharpener - Google Patents

Patent US7472728 - Electrically powered rapid sharpening cosmetic
Patent US7472728 - Electrically powered rapid sharpening cosmetic

Patent US3134365 - Electric pencil sharpener - Google Patents
Patent US3134365 - Electric pencil sharpener - Google Patents