-
公开(公告)号:US2041295A
公开(公告)日:1936-05-19
申请号:US1266135
申请日:1935-03-23
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H85/30
CPC classification number: H01H85/30
-
公开(公告)号:US2002744A
公开(公告)日:1935-05-28
申请号:US65266033
申请日:1933-01-20
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: A61N5/08
CPC classification number: A61N5/06
-
公开(公告)号:US1980689A
公开(公告)日:1934-11-13
申请号:US66509133
申请日:1933-04-08
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: F24H3/04
CPC classification number: F24H3/0417
-
公开(公告)号:US1955076A
公开(公告)日:1934-04-17
申请号:US64044132
申请日:1932-10-31
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H61/06 , H01R13/713
CPC classification number: H01H61/063 , H01R13/713
-
公开(公告)号:US1952445A
公开(公告)日:1934-03-27
申请号:US45575930
申请日:1930-05-26
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H05B3/16
CPC classification number: H05B3/16
-
公开(公告)号:US1875625A
公开(公告)日:1932-09-06
申请号:US36258329
申请日:1929-05-13
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H61/06
CPC classification number: H01H61/063
-
公开(公告)号:US1861159A
公开(公告)日:1932-05-31
申请号:US51045631
申请日:1931-01-22
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01R33/95
CPC classification number: H01R33/95
-
公开(公告)号:US1830612A
公开(公告)日:1931-11-03
申请号:US45814630
申请日:1930-05-31
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: D03J5/08
CPC classification number: D03J5/08
-
公开(公告)号:US1776685A
公开(公告)日:1930-09-23
申请号:US38082829
申请日:1929-07-25
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H01H85/30
CPC classification number: H01H85/30
-
公开(公告)号:US1736204A
公开(公告)日:1929-11-19
申请号:US28670228
申请日:1928-06-19
Applicant: LOUIS LUDWIG
Inventor: LOUIS LUDWIG
IPC: H03F1/54
CPC classification number: H03F1/548
-
-
-
-
-
-
-
-
-