Invention Grant
- Patent Title: Stiffening methods for shoes and stiffeners
- Patent Title (中): 鞋和扶强材的加固方法
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Application No.: US22600851Application Date: 1951-05-12
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Publication No.: US2709310APublication Date: 1955-05-31
- Inventor: CROWELL ERNEST M
- Applicant: UNITED SHOE MACHINERY CORP
- Assignee: Emhart Enterprises Corp
- Current Assignee: Emhart Enterprises Corp
- Priority: US22600851 1951-05-12
- Main IPC: A43B23/08
- IPC: A43B23/08
Information query
