4. Cutlery
  5. Razors
  6. Multiple blade

John Madeira

Inventor

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Details

Inventor

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Process of forming a razor blade

Metal tools and implements – making – Blank or process – Cutlery
Reexamination Certificate

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Razor blade technology

Cutlery – Blades – Razor blade
Patent

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Razor blade technology

Cutlery – Razors – Multiple blade
Patent

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Razor technology

Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating
Patent

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Shaving system

Cutlery – Razors – Multiple blade
Patent

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Profile ID: LFUS-PAI-P-656210

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