Invention Grant
- Patent Title: Electron tube
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Application No.: US73546647Application Date: 1947-03-18
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Publication No.: US2472942APublication Date: 1949-06-14
- Inventor: DONALD DRIESCHMAN , RICHARD CHAMBERLIN
- Applicant: EITEL MCCUILOUGH INC
- Assignee: Eitel Mccuilough Inc
- Current Assignee: Eitel Mccuilough Inc
- Priority: US73546647 1947-03-18
- Main IPC: H01J19/34
- IPC: H01J19/34
Information query
