Invention Grant
- Patent Title: Self-luminous article
- Patent Title (中): 自发光文章
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Application No.: US23671538Application Date: 1938-10-24
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Publication No.: US2155449APublication Date: 1939-04-25
- Inventor: SEAMAN ELLSWORTH F
- Applicant: SEAMAN ELLSWORTH F
- Assignee: Ellsworth F Seaman
- Current Assignee: Ellsworth F Seaman
- Priority: US23671538 1938-10-24
- Main IPC: F21V9/16
- IPC: F21V9/16 ; G09F13/14 ; G09F13/16 ; H01J65/08
Information query
