Invention Grant
- Patent Title: Lamp exhaust head
- Patent Title (中): 灯排气头
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Application No.: US51585255Application Date: 1955-06-16
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Publication No.: US2775271APublication Date: 1956-12-25
- Inventor: YEO ERNEST E , DROWN DAVID P
- Applicant: SYLVANIA ELECTRIC PROD
- Assignee: Sylvania Electric Prod
- Current Assignee: Sylvania Electric Prod
- Priority: US51585255 1955-06-16
- Main IPC: H01J9/385
- IPC: H01J9/385
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