4. B - Operations, Transporting
  5. 26
  6. B

Hoang Mai Trankiem

B - Operations – Transporting – 26 – B

Inventor

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Inventor

Country: United States Of America

Improved razor blades

B - Operations – Transporting – 26 – B
Patent

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Method of applying polymers to razor blade cutting edges

B - Operations – Transporting – 26 – B
Patent

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Method of treating razor blade cutting edges

C - Chemistry – Metallurgy – 23 – F
Patent

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Method of treating razor blade cutting edges

B - Operations – Transporting – 26 – B
Patent

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Method of treating razor blade cutting edges

B - Operations – Transporting – 05 – D
Patent

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Profile ID: LFCA-PAI-P-1479891

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