Invention Grant
- Patent Title: Gun structure for cathode-ray tubes
- Patent Title (中): 阴极射线管枪结构
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Application No.: US79279747Application Date: 1947-12-19
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Publication No.: US2498082APublication Date: 1950-02-21
- Inventor: JOHNSON RALPH E
- Applicant: RCA CORP
- Assignee: Nestec SA
- Current Assignee: Nestec SA
- Priority: US79279747 1947-12-19
- Main IPC: H01J29/02
- IPC: H01J29/02 ; H01J31/36 ; H01J43/08
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