4. B - Operations, Transporting
  5. 60
  6. T

Donald Hatch

B - Operations – Transporting – 60 – T

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Improved cast iron for vehicle brakes

C - Chemistry – Metallurgy – 22 – C
Patent

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Moulding of thermosetting materials

B - Operations – Transporting – 29 – C
Patent

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Valves for hydraulic brakes

B - Operations – Transporting – 60 – T
Patent

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Vernier indicator

G - Physics – 01 – B
Patent

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Vernier indicator

G - Physics – 01 – B
Patent

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Profile ID: LFCA-PAI-P-307300

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