Invention Grant
- Patent Title: Electric light fixture
- Patent Title (中): 电灯具
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Application No.: US31143739Application Date: 1939-12-29
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Publication No.: US2273728APublication Date: 1942-02-17
- Inventor: TORNBLOM NILS A
- Applicant: APPLETON ELECTRIC CO
- Assignee: Appleton Electric Co
- Current Assignee: Appleton Electric Co
- Priority: US31143739 1939-12-29
- Main IPC: F21V14/04
- IPC: F21V14/04 ; F21V17/00 ; F21V17/16
Information query
