4. Traversing hoists
  5. Having horizontally swinging boom or bridge
  6. Having fluid ram directly actuating load cable or sheave...

John A. Holden

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Dumping mechanism

Material or article handling – Device for emptying portable receptacle – Rotary cradle
Patent

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Forming rotary grinding wheel dressers

Metal founding – Process – Disposition of a gaseous or projected particulate molten...
Patent

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Steerable power drive for gantry crane

Traversing hoists – Having horizontally swinging boom or bridge – Having fluid ram directly actuating load cable or sheave...
Patent

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Profile ID: LFUS-PAI-P-1859052

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