Invention Grant
- Patent Title: Selective signaling and train-stop system
- Patent Title (中): 选择性信号和停车系统
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Application No.: US13242916Application Date: 1916-11-20
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Publication No.: US1336889APublication Date: 1920-04-13
- Inventor: COKER JAMES R
- Applicant: S I COKER
- Assignee: S I Coker
- Current Assignee: S I Coker
- Priority: US13242916 1916-11-20; US5270215 1915-09-25
- Main IPC: B61L3/10
- IPC: B61L3/10
Public/Granted literature
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