Invention Grant
- Patent Title: Sanitary window-ventilator.
- Patent Title (中): 卫生间通风机。
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Application No.: US1911605019Application Date: 1911-01-27
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Publication No.: US996681APublication Date: 1911-07-04
- Inventor: STEVENS THOMAS A
- Applicant: STEVENS THOMAS A
- Assignee: Thomas A Stevens
- Current Assignee: Thomas A Stevens
- Priority: US1911605019 1911-01-27
Information query
