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公开(公告)号:US2286625A
公开(公告)日:1942-06-16
申请号:US42489241
申请日:1941-12-30
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/12
CPC classification number: C22C21/12
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公开(公告)号:US2076579A
公开(公告)日:1937-04-13
申请号:US9292536
申请日:1936-07-27
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
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公开(公告)号:US2076577A
公开(公告)日:1937-04-13
申请号:US5655135
申请日:1935-12-28
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
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公开(公告)号:US2076567A
公开(公告)日:1937-04-13
申请号:US5654135
申请日:1935-12-28
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
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公开(公告)号:US2026576A
公开(公告)日:1936-01-07
申请号:US1962735
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
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公开(公告)号:US2026565A
公开(公告)日:1936-01-07
申请号:US1961635
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
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公开(公告)号:US2026562A
公开(公告)日:1936-01-07
申请号:US1961335
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
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公开(公告)号:US2026558A
公开(公告)日:1936-01-07
申请号:US1960935
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
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公开(公告)号:US2026554A
公开(公告)日:1936-01-07
申请号:US1960535
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
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公开(公告)号:US2026553A
公开(公告)日:1936-01-07
申请号:US1960435
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
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