Invention Grant
- Patent Title: Attention arresting signal light
- Patent Title (中): 注意停止信号灯
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Application No.: US57235356Application Date: 1956-03-19
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Publication No.: US2850716APublication Date: 1958-09-02
- Inventor: SMALE GEORGE W
- Applicant: SMALE GEORGE W
- Assignee: George W Smale
- Current Assignee: George W Smale
- Priority: US57235356 1956-03-19
- Main IPC: F21S8/00
- IPC: F21S8/00
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