Invention Grant
- Patent Title: Ventilating and other fan.
- Patent Title (中): 通风和其他风扇。
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Application No.: US1913752705Application Date: 1913-03-07
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Publication No.: US1098306APublication Date: 1914-05-26
- Inventor: TRAUTMANN HENRY JULIUS , COPPING JAMES LLOYD
- Applicant: TRAUTMANN HENRY JULIUS , COPPING JAMES LLOYD
- Assignee: Henry Julius Trautmann,James Lloyd Copping
- Current Assignee: Henry Julius Trautmann,James Lloyd Copping
- Priority: US1913752705 1913-03-07
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