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公开(公告)号:US1471283A
公开(公告)日:1923-10-16
申请号:US52711422
申请日:1922-01-05
Applicant: ROGERS JOSEPH A
Inventor: ROGERS JOSEPH A
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公开(公告)号:US1789256A
公开(公告)日:1931-01-13
申请号:US24941928
申请日:1928-01-25
Applicant: ROGERS JOSEPH A
Inventor: ROGERS JOSEPH A
IPC: B25C11/00
CPC classification number: B25C11/00
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公开(公告)号:US1516460A
公开(公告)日:1924-11-18
申请号:US59444422
申请日:1922-10-14
Applicant: ROGERS JOSEPH A
Inventor: ROGERS JOSEPH A
IPC: H01T13/38
CPC classification number: H01T13/38
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公开(公告)号:US1462942A
公开(公告)日:1923-07-24
申请号:US41616120
申请日:1920-10-11
Applicant: ROGERS JOSEPH A
Inventor: ROGERS JOSEPH A
IPC: B60C5/20
CPC classification number: B60C5/20 , Y10T137/7838 , Y10T152/10612
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