4. B - Operations, Transporting
  5. 24
  6. B

Carel H. Neffenger

B - Operations – Transporting – 24 – B

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Door opening and closing apparatus for tumbling barrel

B - Operations – Transporting – 24 – B
Patent

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Reinforced hanger bracket for electroplating barrel and...

C - Chemistry – Metallurgy – 25 – D
Patent

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Door opening and closing apparatus for tumbling barrel

B - Operations – Transporting – 24 – B
Patent

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Profile ID: LFCA-PAI-P-717544

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