Invention Grant
- Patent Title: Electron discharge devices
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Application No.: US26373451Application Date: 1951-12-28
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Publication No.: US2801358APublication Date: 1957-07-30
- Inventor: ROBERTSON GEORGE H
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US26373451 1951-12-28
- Main IPC: H01J25/38
- IPC: H01J25/38 ; H03D1/26
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