Invention Grant
- Patent Title: Movable changeable electric sign
- Patent Title (中): 可移动电动标志
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Application No.: US17357337Application Date: 1937-11-09
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Publication No.: US2120809APublication Date: 1938-06-14
- Inventor: JACOB MATLOW
- Applicant: JACOB MATLOW
- Assignee: Matlow Jacob
- Current Assignee: Matlow Jacob
- Priority: US17357337 1937-11-09
- Main IPC: G04B47/02
- IPC: G04B47/02 ; G09F11/23
Public/Granted literature
- US11696348B2 Communication system supporting network slicing Public/Granted day:2023-07-04
Information query
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