Invention Grant
- Patent Title: Circular electric lamp
- Patent Title (中): 圆形电灯
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Application No.: US59247845Application Date: 1945-05-07
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Publication No.: US2453986APublication Date: 1948-11-16
- Inventor: ALFRED GREINER , SEITZ AUGUST W
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US59247845 1945-05-07
- Main IPC: H01J5/56
- IPC: H01J5/56
Information query
