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公开(公告)号:US2558394A
公开(公告)日:1951-06-26
申请号:US73737047
申请日:1947-03-26
Applicant: CLEVELAND DETROIT CORP
Inventor: STEWART JAMES E
IPC: G07F11/54
CPC classification number: G07F11/54
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公开(公告)号:US2512183A
公开(公告)日:1950-06-20
申请号:US61554345
申请日:1945-09-11
Applicant: CLEVELAND DETROIT CORP
Inventor: STEWART JAMES E
IPC: G07F11/54
CPC classification number: G07F11/54
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公开(公告)号:US2541787A
公开(公告)日:1951-02-13
申请号:US73735447
申请日:1947-03-26
Applicant: CLEVELAND DETROIT CORP
Inventor: STEWART JAMES E
IPC: G07F11/54
CPC classification number: G07F11/54
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