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公开(公告)号:US2036497A
公开(公告)日:1936-04-07
申请号:US1675235
申请日:1935-04-17
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W
IPC: C22C19/00
CPC classification number: C22C19/00
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公开(公告)号:US2321855A
公开(公告)日:1943-06-15
申请号:US31420540
申请日:1940-01-17
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W
IPC: H01J31/14
CPC classification number: H01J31/14
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公开(公告)号:US2036496A
公开(公告)日:1936-04-07
申请号:US74615334
申请日:1934-09-29
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W
IPC: C22B9/00
CPC classification number: C22B9/006
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公开(公告)号:US2003467A
公开(公告)日:1935-06-04
申请号:US67834233
申请日:1933-06-30
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W , FORD JAY T
IPC: H01T21/02
CPC classification number: H01T21/02
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公开(公告)号:US1988568A
公开(公告)日:1935-01-22
申请号:US61123532
申请日:1932-05-13
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W , MITCHEL RALPH H
IPC: C22C38/08 , G01R11/185
CPC classification number: C22C38/08 , G01R11/185
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公开(公告)号:US1976295A
公开(公告)日:1934-10-09
申请号:US60977332
申请日:1932-05-06
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W
IPC: C22C19/00
CPC classification number: C22C19/00
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公开(公告)号:US2254476A
公开(公告)日:1941-09-02
申请号:US26149239
申请日:1939-03-13
Applicant: GEN MOTORS CORP
Inventor: ESHBAUGH JESSE E , RANDOLPH DONALD W
IPC: G04C3/06
CPC classification number: G04C3/065
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公开(公告)号:US2197115A
公开(公告)日:1940-04-16
申请号:US12265737
申请日:1937-01-27
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W , BIGLER ROBERT H
IPC: H01L21/16
CPC classification number: H01L21/161 , H01L21/02565 , H01L21/02614
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公开(公告)号:US2177966A
公开(公告)日:1939-10-31
申请号:US12265637
申请日:1937-01-27
Applicant: GEN MOTORS CORP
Inventor: WALLER DONALD D , SMITH LUCIAN B , RANDOLPH DONALD W , HELGEBY RALPH O
IPC: B60Q1/54
CPC classification number: G01P1/07
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公开(公告)号:US2071573A
公开(公告)日:1937-02-23
申请号:US72788834
申请日:1934-05-28
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W , HECTOR RABEZZANA
IPC: F02P1/08
CPC classification number: F02P1/086
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