Invention Grant
- Patent Title: Electron-discharge apparatus
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Application No.: US74268424Application Date: 1924-10-09
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Publication No.: US1794315APublication Date: 1931-02-24
- Inventor: MULLANEY DUDLEY A
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US74268424 1924-10-09
- Main IPC: H01J19/28
- IPC: H01J19/28
Information query
