4. F - Mech Eng,Light,Heat,Weapons
  5. 16
  6. J

William B. D. Penniman

F - Mech Eng,Light,Heat,Weapons – 16 – J

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Hydrocarbon oil cracking method

C - Chemistry – Metallurgy – 10 – G
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Hydrocarbon oil cracking method

C - Chemistry – Metallurgy – 10 – G
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Lubricating device

F - Mech Eng,Light,Heat,Weapons – 16 – N
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Oil seal and dust guard for journal boxes

F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent

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Hydrocarbon oil cracking method

C - Chemistry – Metallurgy – 10 – G
Patent

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Hydrocarbon oil cracking method

C - Chemistry – Metallurgy – 10 – G
Patent

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Hydrocarbon oil cracking method

C - Chemistry – Metallurgy – 10 – G
Patent

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Lubricant

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Patent

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Lubricating device

F - Mech Eng,Light,Heat,Weapons – 16 – N
Patent

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Profile ID: LFCA-PAI-P-168328

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