Patent search ap:("BEIL TELEPHONE LAB INC") AND inv:"SKELLETT ALBERT M" Page 1

1.

发明授权
Electron discharge device circuits 失效

公开(公告)号：US2293177A

公开(公告)日：1942-08-18

申请号：US32185240

申请日：1940-03-02

Applicant: BEIL TELEPHONE LAB INC

Inventor： SKELLETT ALBERT M

IPC: H01J43/02 , H03F1/36 , H03K3/04

CPC classification number: H03F1/36 , H01J43/02 , H03K3/04

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