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公开(公告)号:US2574684A
公开(公告)日:1951-11-13
申请号:US73668447
申请日:1947-03-24
Applicant: VENDO CO
Inventor: ANDREWS BOLEY A , PRO GEORGE M
IPC: E05F15/16
CPC classification number: E05F15/673 , E05Y2201/668 , E05Y2201/688 , E05Y2900/106
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公开(公告)号:US2739273A
公开(公告)日:1956-03-20
申请号:US24154951
申请日:1951-08-13
Applicant: VENDO CO
Inventor: ANDREWS BOLEY A , PRO GEORGE M
IPC: E05F15/20
CPC classification number: E05F15/77
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3.Sound generator and transmitter for door controlling mechanism 失效
Title translation: 用于门控制机构的声发生器和变送器公开(公告)号:US2695001A
公开(公告)日:1954-11-23
申请号:US24154851
申请日:1951-08-13
Applicant: VENDO CO
Inventor: ANDREWS BOLEY A , PRO GEORGE M
IPC: G10K5/02
CPC classification number: G10K5/02
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