Invention Grant
- Patent Title: Thermionic tube
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Application No.: US6855836Application Date: 1936-03-12
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Publication No.: US2149658APublication Date: 1939-03-07
- Inventor: HOWARD ARMSTRONG HARRY , BURLEY MENEFEE ARTHUR
- Applicant: TUNGSTEN ELECTRODEPOSIT CORP
- Assignee: Tungsten Electrodeposit Corp
- Current Assignee: Tungsten Electrodeposit Corp
- Priority: US6855836 1936-03-12
- Main IPC: H01J5/08
- IPC: H01J5/08 ; H01J19/30
Information query
