Patent search ap:("LEWIS D. HALL") AND inv:"HALL LEWIS D" Page 1

1.

发明授权
Electronic vacuum pump including a sputter electrode 失效
Title translation: 电子真空泵包括溅射电极

公开(公告)号：US3391303A

公开(公告)日：1968-07-02

申请号：US42783365

申请日：1965-01-25

Applicant: LEWIS D. HALL

Inventor： HALL LEWIS D

IPC: H01J7/18 , H01J41/16 , H01J41/20

CPC classification number: H01J41/20 , H01J7/186 , H01J41/16

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