Invention Grant
- Patent Title: Elevator control and signal system
- Patent Title (中): 电梯控制和信号系统
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Application No.: US18469438Application Date: 1938-01-12
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Publication No.: US2264686APublication Date: 1941-12-02
- Inventor: WILLIAMS HAROLD W , DANILO SANTINI
- Applicant: WESTINGHOUSE ELEC ELEVATOR CO
- Assignee: Westinghouse Elec Elevator Co
- Current Assignee: Westinghouse Elec Elevator Co
- Priority: US18469438 1938-01-12
- Main IPC: B66B1/18
- IPC: B66B1/18
Information query
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