Adjustable window-shade.

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US1207551A Adjustable window-shade. 失效

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Patent Title: Adjustable window-shade.
Application No.: US6091515

Application Date: 1915-11-11
Publication No.: US1207551A

Publication Date: 1916-12-05
Inventor: HAYES GEORGE DANIEL
Applicant: HAYES GEORGE DANIEL
Assignee: George Daniel Hayes
Current Assignee: George Daniel Hayes
Priority: US6091515 1915-11-11

Adjustable window-shade.

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