4. B - Operations, Transporting
  5. 66
  6. B

Elmer H. Sumka

B - Operations – Transporting – 66 – B

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Inventor

Country: United States Of America

Braking system

B - Operations – Transporting – 66 – B
Patent

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Elevator car

B - Operations – Transporting – 66 – B
Patent

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Elevator system

B - Operations – Transporting – 66 – B
Patent

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Transportation system

B - Operations – Transporting – 66 – B
Patent

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Elevator car

B - Operations – Transporting – 66 – B
Patent

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Profile ID: LFCA-PAI-P-1068239

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