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公开(公告)号:US2786819A
公开(公告)日:1957-03-26
申请号:US54739955
申请日:1955-11-17
Applicant: GEN MOTORS CORP
Inventor: SMITH ROBERT W , KARL SCHWARTZWALDER
IPC: H01B3/08 , H01C7/04 , H01C17/065
CPC classification number: H01C17/0658 , H01B3/085 , H01C7/04
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公开(公告)号:US2717438A
公开(公告)日:1955-09-13
申请号:US11503949
申请日:1949-08-25
Applicant: GEN MOTORS CORP
Inventor: KARL SCHWARTZWALDER , SMITH ROBERT W
IPC: H01T13/46
CPC classification number: H01T13/465
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公开(公告)号:US2336182A
公开(公告)日:1943-12-07
申请号:US33809440
申请日:1940-05-31
Applicant: GEN MOTORS CORP
Inventor: MCDOUGAL TAINE G , KARL SCHWARTZWALDER
IPC: C04B35/08
CPC classification number: C04B35/08
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34.Ceramic body, especially adapted for use as a spark plug insulator 失效
Title translation: 陶瓷体,特别适用于火花塞绝缘子公开(公告)号:US2272338A
公开(公告)日:1942-02-10
申请号:US19140038
申请日:1938-02-19
Applicant: GEN MOTORS CORP
Inventor: FESSLER ALBRA H , KARL SCHWARTZWALDER
IPC: H01T13/38
CPC classification number: H01T13/38
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公开(公告)号:US2189515A
公开(公告)日:1940-02-06
申请号:US15766837
申请日:1937-08-06
Applicant: GEN MOTORS CORP
Inventor: FESSLER ALBRA H , KARL SCHWARTZWALDER , EHLERS RUSSELL W
IPC: H02M1/22
CPC classification number: H02M1/22
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公开(公告)号:US2152656A
公开(公告)日:1939-04-04
申请号:US13412537
申请日:1937-03-31
Applicant: GEN MOTORS CORP
Inventor: MCDOUGAL TAINE G , FESSLER ALBRA H , KARL SCHWARTZWALDER
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公开(公告)号:US3219194A
公开(公告)日:1965-11-23
申请号:US25187163
申请日:1963-01-16
Applicant: GEN MOTORS CORP
Inventor: KARL SCHWARTZWALDER , SUCHY GEORGE E
CPC classification number: B01D39/02 , B01D24/008 , B01D24/08 , B01D35/06
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公开(公告)号:US3057941A
公开(公告)日:1962-10-09
申请号:US11066961
申请日:1961-05-17
Applicant: GEN MOTORS CORP
Inventor: KARL SCHWARTZWALDER
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39.Method for making silicon nitride-bonded silicon carbide semiconductors and resulting bodies and articles using same 失效
Title translation: 制造氮化硅结合的碳化硅半导体及使用其的所得物体和制品的方法公开(公告)号:US3052814A
公开(公告)日:1962-09-04
申请号:US80123859
申请日:1959-03-23
Applicant: GEN MOTORS CORP
Inventor: EDWARDS WILLIAM R , KARL SCHWARTZWALDER
IPC: B60T8/26 , C04B35/565 , C04B35/591 , H01B1/04 , H01T13/38 , H01T13/41
CPC classification number: C04B35/632 , B60T8/26 , C04B35/565 , C04B35/591 , H01B1/04 , H01T13/38 , H01T13/41
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公开(公告)号:US2864884A
公开(公告)日:1958-12-16
申请号:US40586654
申请日:1954-01-25
Applicant: GEN MOTORS CORP
Inventor: COUNTS WILLIAM E , SMITH ROBERT W , KARL SCHWARTZWALDER
IPC: H04B15/02
CPC classification number: H04B15/025
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