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公开(公告)号:US2701326A
公开(公告)日:1955-02-01
申请号:US13603849
申请日:1949-12-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: PFANN WILLIAM G , THEUERER HENRY C
CPC classification number: H01L21/00 , H01L21/185 , H01L21/187 , H01L29/00 , Y10S148/062 , Y10T428/12486 , Y10T428/12528
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公开(公告)号:US2669635A
公开(公告)日:1954-02-16
申请号:US32031752
申请日:1952-11-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: PFANN WILLIAM G
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公开(公告)号:US2561411A
公开(公告)日:1951-07-24
申请号:US14837650
申请日:1950-03-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: PFANN WILLIAM G
IPC: H01L21/24
CPC classification number: H01L21/24 , Y10T428/12486 , Y10T428/12528 , Y10T428/12674
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44.Cold cathode emitter having a mosaic of closely spaced needles 失效
Title translation: 冷阴极发射器有一个绝缘的空心针公开(公告)号:US3466485A
公开(公告)日:1969-09-09
申请号:US3466485D
申请日:1967-09-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: ARTHUR JOHN R JR , MORTON JACK A , PFANN WILLIAM G , WAGNER RICHARD S
CPC classification number: H01J1/304
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公开(公告)号:US3270554A
公开(公告)日:1966-09-06
申请号:US8067261
申请日:1961-01-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: PFANN WILLIAM G
CPC classification number: H04R23/006 , G01L1/18 , H01L29/00 , H01L29/84 , Y10T29/4913
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公开(公告)号:US3137834A
公开(公告)日:1964-06-16
申请号:US9646361
申请日:1961-03-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: PFANN WILLIAM G
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公开(公告)号:US3118794A
公开(公告)日:1964-01-21
申请号:US5429360
申请日:1960-09-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: PFANN WILLIAM G
CPC classification number: H01L21/24 , H01L29/00 , Y10S438/979
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公开(公告)号:US3059123A
公开(公告)日:1962-10-16
申请号:US46537654
申请日:1954-10-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: PFANN WILLIAM G
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公开(公告)号:US3009126A
公开(公告)日:1961-11-14
申请号:US3448460
申请日:1960-06-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: PFANN WILLIAM G
IPC: G01B11/16
CPC classification number: G01B11/16
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