Invention Grant
- Patent Title: Adjustable hanger.
- Patent Title (中): 可调节的角度
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Application No.: US1909491106Application Date: 1909-04-20
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Publication No.: US1063149APublication Date: 1913-05-27
- Inventor: DOOLITTLE PERRY ERNEST
- Applicant: DOOLITTLE PERRY ERNEST
- Assignee: Perry Ernest Doolittle
- Current Assignee: Perry Ernest Doolittle
- Priority: US1909491106 1909-04-20
Information query
