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1.
公开(公告)号:US2598247A
公开(公告)日:1952-05-27
申请号:US5370448
申请日:1948-10-09
Applicant: MOTOROLA INC
Inventor: NEIL FRIHART HENRY , HASSLER EDWIN B
IPC: H01F27/00
CPC classification number: H01F27/004
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公开(公告)号:US3235836A
公开(公告)日:1966-02-15
申请号:US19802662
申请日:1962-05-28
Applicant: MOTOROLA INC
Inventor: NEIL FRIHART HENRY , KRAKORA JR JAMES J
IPC: B06B1/02
CPC classification number: B06B1/0261 , B06B2201/58 , B06B2201/70
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公开(公告)号:US3044016A
公开(公告)日:1962-07-10
申请号:US74379258
申请日:1958-06-23
Applicant: MOTOROLA INC
Inventor: NEIL FRIHART HENRY , KRAKORA JR JAMES J
IPC: B06B1/02
CPC classification number: B06B1/0261 , B06B2201/58 , B06B2201/70
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公开(公告)号:US2459637A
公开(公告)日:1949-01-18
申请号:US56577044
申请日:1944-11-29
Applicant: MOTOROLA INC
Inventor: NEIL FRIHART HENRY , JACKSON WILBUR C , WILLIAMS FREDRICK B
IPC: H01J29/89
CPC classification number: H01J29/89 , H01J2229/8907 , H01J2229/893
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公开(公告)号:US3382439A
公开(公告)日:1968-05-07
申请号:US39514364
申请日:1964-09-09
Applicant: MOTOROLA INC
Inventor: NEIL FRIHART HENRY
IPC: H05K11/02
CPC classification number: H05K11/02
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公开(公告)号:US2920197A
公开(公告)日:1960-01-05
申请号:US60561656
申请日:1956-08-22
Applicant: MOTOROLA INC
Inventor: NEIL FRIHART HENRY
IPC: H03J5/28
CPC classification number: H03J5/28
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公开(公告)号:US2770724A
公开(公告)日:1956-11-13
申请号:US30110252
申请日:1952-07-26
Applicant: MOTOROLA INC
Inventor: NEIL FRIHART HENRY , BAROCH GEORGE F
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