Heating device for central-heating systems.

Invention Grant

US807318A Heating device for central-heating systems. 失效

Title translation: 中央加热系统加热装置。

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Patent Title: Heating device for central-heating systems.
Patent Title (中): 中央加热系统加热装置。
Application No.: US1904197066

Application Date: 1904-03-08
Publication No.: US807318A

Publication Date: 1905-12-12
Inventor: RICHTER FRIEDRICH OTTO
Applicant: RICHTER FRIEDRICH OTTO
Assignee: Friedrich Otto Richter
Current Assignee: Friedrich Otto Richter
Priority: US1904197066 1904-03-08

Heating device for central-heating systems.

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