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公开(公告)号:US1669958A
公开(公告)日:1928-05-15
申请号:US8997526
申请日:1926-02-23
Applicant: JOHN WALSH PHILIP
Inventor: JOHN WALSH PHILIP
IPC: H04B15/00
CPC classification number: H04B15/005
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公开(公告)号:US2417622A
公开(公告)日:1947-03-18
申请号:US50763543
申请日:1943-10-25
Applicant: JOHN WALSH PHILIP
Inventor: JOHN WALSH PHILIP
IPC: H02M7/04
CPC classification number: H02M7/043
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公开(公告)号:US2199121A
公开(公告)日:1940-04-30
申请号:US18552838
申请日:1938-01-18
Applicant: JOHN WALSH PHILIP
Inventor: JOHN WALSH PHILIP
IPC: H02M7/04
CPC classification number: H02M7/043
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公开(公告)号:US1857901A
公开(公告)日:1932-05-10
申请号:US29614028
申请日:1928-07-30
Applicant: JOHN WALSH PHILIP
Inventor: JOHN WALSH PHILIP
IPC: H03F3/02
CPC classification number: H03F3/02
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公开(公告)号:US1672104A
公开(公告)日:1928-06-05
申请号:US8997426
申请日:1926-02-23
Applicant: JOHN WALSH PHILIP
Inventor: JOHN WALSH PHILIP
IPC: H04B1/58
CPC classification number: H04B1/58
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公开(公告)号:US2368953A
公开(公告)日:1945-02-06
申请号:US35432540
申请日:1940-08-26
Applicant: JOHN WALSH PHILIP
Inventor: JOHN WALSH PHILIP
CPC classification number: F42B21/00 , F42B22/04 , Y10S367/901
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公开(公告)号:US2238986A
公开(公告)日:1941-04-22
申请号:US30762939
申请日:1939-12-05
Applicant: JOHN WALSH PHILIP
Inventor: JOHN WALSH PHILIP
IPC: H03D7/18
CPC classification number: H03D7/18
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公开(公告)号:US2061602A
公开(公告)日:1936-11-24
申请号:US45897530
申请日:1930-06-02
Applicant: JOHN WALSH PHILIP
Inventor: JOHN WALSH PHILIP
IPC: H03D1/16
CPC classification number: H03D1/16
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公开(公告)号:US2329021A
公开(公告)日:1943-09-07
申请号:US44820142
申请日:1942-06-24
Applicant: JOHN WALSH PHILIP
Inventor: JOHN WALSH PHILIP
IPC: H01F29/14
CPC classification number: H01F29/14
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公开(公告)号:US1669959A
公开(公告)日:1928-05-15
申请号:US8997626
申请日:1926-02-23
Applicant: JOHN WALSH PHILIP
Inventor: JOHN WALSH PHILIP
IPC: H03J3/00
CPC classification number: H03J3/00
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