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公开(公告)号:US2115272A
公开(公告)日:1938-04-26
申请号:US8808336
申请日:1936-06-30
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H13/60
CPC classification number: H01H13/60
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公开(公告)号:US2080667A
公开(公告)日:1937-05-18
申请号:US7319536
申请日:1936-04-08
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H85/38
CPC classification number: H01H85/38
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23.Electric outlet for portable electric lamps and other fixtures 失效
Title translation: 便携式电灯和其他灯具的电源插座公开(公告)号:US2077801A
公开(公告)日:1937-04-20
申请号:US8808436
申请日:1936-06-30
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01R25/00
CPC classification number: H01R25/003
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公开(公告)号:US2065338A
公开(公告)日:1936-12-22
申请号:US1266035
申请日:1935-03-23
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H85/38
CPC classification number: H01H85/38
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公开(公告)号:US1772776A
公开(公告)日:1930-08-12
申请号:US28670128
申请日:1928-06-19
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01Q1/46
CPC classification number: H01Q1/46
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公开(公告)号:US1733743A
公开(公告)日:1929-10-29
申请号:US13530326
申请日:1926-09-14
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H61/06
CPC classification number: H01H61/063
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公开(公告)号:US1709357A
公开(公告)日:1929-04-16
申请号:US19766227
申请日:1927-06-09
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01R4/24
CPC classification number: H01R4/2483
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公开(公告)号:US1672651A
公开(公告)日:1928-06-05
申请号:US20036027
申请日:1927-06-21
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: F21V21/088
CPC classification number: F21V21/088
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公开(公告)号:US2758195A
公开(公告)日:1956-08-07
申请号:US41802754
申请日:1954-03-23
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
CPC classification number: H01H1/16 , F21V23/04 , F21V23/0492
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公开(公告)号:US2743330A
公开(公告)日:1956-04-24
申请号:US42262254
申请日:1954-04-12
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
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