Blast-furnace-charging apparatus.

Invention Grant

US818615A Blast-furnace-charging apparatus. 失效

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Patent Title: Blast-furnace-charging apparatus.
Application No.: US1904233902

Application Date: 1904-11-22
Publication No.: US818615A

Publication Date: 1906-04-24
Inventor: DOUGHERTY JOHN WEBSTER
Applicant: DOUGHERTY JOHN WEBSTER
Assignee: John Webster Dougherty
Current Assignee: John Webster Dougherty
Priority: US1904233902 1904-11-22

Blast-furnace-charging apparatus.

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