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Patent Agency Ranking
公开(公告)号：US1937706A
公开(公告)日：1933-12-05
申请号：US26944028
申请日：1928-04-12
Applicant: UNION NAT BANK OF PITTSBURGH
Inventor： MCCULLOUGH FREDERICK S
IPC: H01J5/42
CPC classification number: H01J5/42 , H01J2893/0034 , Y10T403/4681
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公开(公告)号：US1937202A
公开(公告)日：1933-11-28
申请号：US12308626
申请日：1926-07-17
Applicant: UNION NAT BANK OF PITTSBURGH
Inventor： MCCULLOUGH FREDERICK S
IPC: H01J19/78
CPC classification number: H01J19/78
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公开(公告)号：US1985324A
公开(公告)日：1934-12-25
申请号：US29320128
申请日：1928-07-16
Applicant: UNION NAT BANK OF PITTSBURGH
Inventor： MCCULLOUGH FREDERICK S
IPC: H01J5/02
CPC classification number: H01J5/02
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公开(公告)号：US1937201A
公开(公告)日：1933-11-28
申请号：US10596526
申请日：1926-05-01
Applicant: UNION NAT BANK OF PITTSBURGH
Inventor： MCCULLOUGH FREDERICK S
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5.发明授权Method of mounting tubular electrodes inside the vessels of space discharge devices 失效将管状电极安装在空间放电装置的容器内的方法
公开(公告)号：US2023931A
公开(公告)日：1935-12-10
申请号：US28637028
申请日：1928-06-18
Applicant: UNION NAT BANK OF PITTSBURGH
Inventor： MCCULLOUGH FREDERICK S
IPC: H01J21/02
CPC classification number: H01J21/02
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