Invention Grant
- Patent Title: Collapsible signal device
- Patent Title (中): 可折叠信号装置
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Application No.: US26256663Application Date: 1963-03-04
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Publication No.: US3132624APublication Date: 1964-05-12
- Inventor: SHOEMAKER JR CHARLES
- Applicant: SHOEMAKER JR CHARLES
- Assignee: Jr Charles Shoemaker
- Current Assignee: Jr Charles Shoemaker
- Priority: US26256663 1963-03-04
- Main IPC: B60Q7/00
- IPC: B60Q7/00 ; E01F9/012 ; E01F9/016
Information query
