Collapsible revolving door.

Invention Grant

US836843A Collapsible revolving door. 失效

Title translation: 可拆卸的门。

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Patent Title: Collapsible revolving door.
Patent Title (中): 可拆卸的门。
Application No.: US1905284980

Application Date: 1905-10-30
Publication No.: US836843A

Publication Date: 1906-11-27
Inventor: KANNEL THEOPHILUS VAN
Applicant: KANNEL REVOLVING DOOR COMPANY VAN
Assignee: Kannel Revolving Door Company Van
Current Assignee: Kannel Revolving Door Company Van
Priority: US1905284980 1905-10-30

Collapsible revolving door.

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