4. Cutlery
  5. Static pencil sharpener
  6. Plural, sequentially engaged cutters

David D. Hayes

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Crayon sharpener assembly

Cutlery – Static pencil sharpener – Plural – sequentially engaged cutters
Patent

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Dispenser for multiple cartridges

Dispensing – Plural sources – compartment – containers and/or spaced jacket – With selecting means
Patent

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Dispenser housing

Design Patent

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Foam pump with improved piston structure

Dispensing – With material treatment or conditioning means
Reexamination Certificate

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Method for sharpening crayons

Cutting – Other than completely through work thickness or through work... – Combined types of cutting
Patent

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Profile ID: LFUS-PAI-P-637756

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