Invention Grant
- Patent Title: Method of making stems for sealed electrical devices
- Patent Title (中): 制造密封电气设备的阀杆的方法
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Application No.: US72127034Application Date: 1934-04-19
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Publication No.: US2153404APublication Date: 1939-04-04
- Inventor: WHITE ARTHUR J , JOHNSON PERCY J
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US72127034 1934-04-19
- Main IPC: H01J9/32
- IPC: H01J9/32
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