Invention Grant
- Patent Title: Electron discharge apparatus
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Application No.: US39959941Application Date: 1941-06-25
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Publication No.: US2411538APublication Date: 1946-11-26
- Inventor: DOUGLAS GOODCHILD FRANK
- Applicant: INT STANDARD ELECTRIC CORP
- Assignee: Int Standard Electric Corp
- Current Assignee: Int Standard Electric Corp
- Priority: GB2411538X 1940-06-21
- Main IPC: H01J5/42
- IPC: H01J5/42
Information query
