Invention Grant
US3234505A Traffic control system of the actuated type with improved time control
失效
具有改进时间控制的致动型交通控制系统
- Patent Title: Traffic control system of the actuated type with improved time control
- Patent Title (中): 具有改进时间控制的致动型交通控制系统
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Application No.: US13302061Application Date: 1961-08-18
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Publication No.: US3234505APublication Date: 1966-02-08
- Inventor: DU VIVIER CHARLES L
- Applicant: LAB FOR ELECTRONICS INC
- Assignee: Lab For Electronics Inc
- Current Assignee: Lab For Electronics Inc
- Priority: US13302061 1961-08-18
- Main IPC: G08G1/08
- IPC: G08G1/08
Public/Granted literature
- US08529234B2 Water injection type screw fluid machine Public/Granted day:2013-09-10
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