Invention Grant
- Patent Title: Shoelace gathering mechanism
- Patent Title (中): 鞋带收集机制
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Application No.: US20832838Application Date: 1938-05-16
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Publication No.: US2177130APublication Date: 1939-10-24
- Inventor: ANDREN KARL H
- Applicant: ARTOS ENGINEERING CO
- Assignee: Artos Engineering Co
- Current Assignee: Artos Engineering Co
- Priority: US20832838 1938-05-16
- Main IPC: A43D98/00
- IPC: A43D98/00
Information query
