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公开(公告)号:US2076580A
公开(公告)日:1937-04-13
申请号:US11443136
申请日:1936-12-05
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:US2076575A
公开(公告)日:1937-04-13
申请号:US5654935
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:US2076574A
公开(公告)日:1937-04-13
申请号:US5654835
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:US2076573A
公开(公告)日:1937-04-13
申请号:US5654735
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:US2076568A
公开(公告)日:1937-04-13
申请号:US5654235
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:US2026574A
公开(公告)日:1936-01-07
申请号:US1962535
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:US2026569A
公开(公告)日:1936-01-07
申请号:US1962035
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:US2026563A
公开(公告)日:1936-01-07
申请号:US1961435
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:US2026560A
公开(公告)日:1936-01-07
申请号:US1961135
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:US2026557A
公开(公告)日:1936-01-07
申请号:US1960835
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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