4. Cutlery
  5. Sheathed
  6. Sliding blade

Charles T. Gregg

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Biological particle identification apparatus

Optics: measuring and testing – By polarized light examination – With polariscopes
Patent

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Retractable-bladed surgical scalpel

Surgery – Instruments – Cutting – puncturing or piercing
Patent

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Spring-actuated, retractable-bladed surgical scalpel

Surgery – Instruments – Cutting – puncturing or piercing
Reexamination Certificate

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Three-piece retractable-bladed knife

Cutlery – Sheathed – Sliding blade
Patent

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Profile ID: LFUS-PAI-P-1150906

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