Patent search ap:("WESTERN UNION TELEGRAPH CO") AND inv:"ALDRIDGE ROBERT C" Page 1

1.

发明授权
Tungsten concentrated arc lamp 失效
Title translation: 钨合金弧灯

公开(公告)号：US2882434A

公开(公告)日：1959-04-14

申请号：US45477954

申请日：1954-09-08

Applicant: WESTERN UNION TELEGRAPH CO

Inventor： BUCKINGHAM WILLIAM D , ALDRIDGE ROBERT C

IPC: H01J61/00 , H01J61/98

CPC classification number: H01J61/98 , H01J61/00 , H01J2893/0056

Patent Agency Ranking