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公开(公告)号:US2519584A
公开(公告)日:1950-08-22
申请号:US75965247
申请日:1947-07-08
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01R24/20
CPC classification number: H01R24/20 , H01R2103/00
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公开(公告)号:US2446709A
公开(公告)日:1948-08-10
申请号:US53162244
申请日:1944-04-18
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01R31/02
CPC classification number: H01R31/02
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公开(公告)号:US2303483A
公开(公告)日:1942-12-01
申请号:US37737541
申请日:1941-02-04
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01R13/05
CPC classification number: H01R13/052
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公开(公告)号:US2232463A
公开(公告)日:1941-02-18
申请号:US31897940
申请日:1940-02-15
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H85/045
CPC classification number: H01H85/0454
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公开(公告)号:US2219744A
公开(公告)日:1940-10-29
申请号:US30719839
申请日:1939-12-02
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H61/06
CPC classification number: H01H61/063
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公开(公告)号:US2073161A
公开(公告)日:1937-03-09
申请号:US75024634
申请日:1934-10-27
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H85/02
CPC classification number: H01H85/0208
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公开(公告)号:US2001580A
公开(公告)日:1935-05-14
申请号:US67255133
申请日:1933-05-24
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01R33/94
CPC classification number: H01R33/94
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公开(公告)号:US1956240A
公开(公告)日:1934-04-24
申请号:US55872931
申请日:1931-08-22
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: F23Q7/00
CPC classification number: F23Q7/00
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公开(公告)号:US1909412A
公开(公告)日:1933-05-16
申请号:US38713229
申请日:1929-08-20
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01R4/24
CPC classification number: H01R4/2408
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公开(公告)号:US1886489A
公开(公告)日:1932-11-08
申请号:US45575830
申请日:1930-05-26
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: G01R19/145
CPC classification number: G01R19/145
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