Invention Grant
- Patent Title: Method of making bulbs
- Patent Title (中): 制作灯泡的方法
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Application No.: US23962138Application Date: 1938-11-09
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Publication No.: US2300917APublication Date: 1942-11-03
- Inventor: GASKILL ALFRED T
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: US23962138 1938-11-09
- Main IPC: C03B23/057
- IPC: C03B23/057 ; C03B23/07 ; C03B23/09
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