Invention Grant
- Patent Title: Electron discharge device
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Application No.: US38581741Application Date: 1941-03-29
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Publication No.: US2321886APublication Date: 1943-06-15
- Inventor: EUGENE ANDERSON ALVA
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US38581741 1941-03-29
- Main IPC: H01J3/02
- IPC: H01J3/02
Information query
