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公开(公告)号：US1649219A
公开(公告)日：1927-11-15
申请号：US17230427
申请日：1927-03-03
Applicant: GOLDBERG LOUIS B , NATHAN GOLDBERG , WILLIAM GOLDBERG , GOLDBERG JACOB M
Inventor： GOLDBERG LOUIS B , NATHAN GOLDBERG , WILLIAM GOLDBERG , GOLDBERG JACOB M
IPC: E04H15/28
CPC classification number: E04H15/28 , Y10T24/44974
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公开(公告)号：US1611904A
公开(公告)日：1926-12-28
申请号：US4882025
申请日：1925-08-07
Applicant: WILLIAM GOLDBERG , GOLDBERG JACOB M , GOLDBERG LOUIS B , NATHAN GOLDBERG
Inventor： WILLIAM GOLDBERG , GOLDBERG JACOB M , GOLDBERG LOUIS B , NATHAN GOLDBERG
IPC: F24C5/20
CPC classification number: F24C5/20
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公开(公告)号：US1530257A
公开(公告)日：1925-03-17
申请号：US68551324
申请日：1924-01-11
Applicant: GOLDBERG LOUIS B , NATHAN GOLDBERG , WILLIAM GOLDBERG , GOLDBERG JACOB M
Inventor： GOLDBERG LOUIS B , NATHAN GOLDBERG , WILLIAM GOLDBERG , GOLDBERG JACOB M
IPC: E04H15/28
CPC classification number: E04H15/28 , Y10T24/1414
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公开(公告)号：US1487737A
公开(公告)日：1924-03-25
申请号：US57099522
申请日：1922-06-26
Applicant: GOLDBERG LOUIS B , GOLDBERG JACOB M , NATHAN GOLDBERG , WILLIAM GOLDBERG
Inventor： GOLDBERG LOUIS B , GOLDBERG JACOB M , NATHAN GOLDBERG , WILLIAM GOLDBERG
IPC: F24C5/20
CPC classification number: F24C5/20
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公开(公告)号：US1858586A
公开(公告)日：1932-05-17
申请号：US48984430
申请日：1930-10-20
Applicant: GOLDBERG LOUIS B , NATHAN GOLDBERG , WILLIAM GOLDBERG , GOLDBERG JACOB M
Inventor： GOLDBERG LOUIS B , NATHAN GOLDBERG , WILLIAM GOLDBERG , GOLDBERG JACOB M
IPC: G03B21/32
CPC classification number: G03B21/321
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Patent Agency Ranking
公开(公告)号：US1687722A
公开(公告)日：1928-10-16
申请号：US21592227
申请日：1927-08-27
Applicant: GOLDBERG LOUIS B , NATHAN GOLDBERG , WILLIAM GOLDBERG , GOLDBERG JACOB M
Inventor： GOLDBERG LOUIS B , NATHAN GOLDBERG , WILLIAM GOLDBERG , GOLDBERG JACOB M
IPC: E04H15/34
CPC classification number: E04H15/34
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公开(公告)号：US1620095A
公开(公告)日：1927-03-08
申请号：US10638926
申请日：1926-05-03
Applicant: GOLDBERG LOUIS B , NATHAN GOLDBERG , WILLIAM GOLDBERG , GOLDBERG JACOB M
Inventor： GOLDBERG LOUIS B , NATHAN GOLDBERG , WILLIAM GOLDBERG , GOLDBERG JACOB M
IPC: F24C5/20
CPC classification number: F24C5/20
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公开(公告)号：US1518651A
公开(公告)日：1924-12-09
申请号：US69379024
申请日：1924-02-19
Applicant: GOLDBERG LOUIS B , NATHAN GOLDBERG , GOLDBERG JACOB M , WILLIAM GOLDBERG
Inventor： GOLDBERG LOUIS B , NATHAN GOLDBERG , GOLDBERG JACOB M , WILLIAM GOLDBERG
IPC: F24C5/20
CPC classification number: F24C5/20
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公开(公告)号：US1517356A
公开(公告)日：1924-12-02
申请号：US52667022
申请日：1922-01-03
Applicant: GOLDBERG LOUIS B , GOLDBERG JACOB M , NATHAN GOLDBERG , WILLIAM GOLDBERG
Inventor： GOLDBERG LOUIS B , GOLDBERG JACOB M , NATHAN GOLDBERG , WILLIAM GOLDBERG
IPC: F23D11/44
CPC classification number: F23D11/44 , F23D2700/024
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公开(公告)号：US1517355A
公开(公告)日：1924-12-02
申请号：US50939621
申请日：1921-10-21
Applicant: GOLDBERG LOUIS B , NATHAN GOLDBERG , GOLDBERG JACOB M , WILLIAM GOLDBERG
Inventor： GOLDBERG LOUIS B , NATHAN GOLDBERG , GOLDBERG JACOB M , WILLIAM GOLDBERG
IPC: F23D99/00
CPC classification number: F23D91/02 , F23D2206/0057
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