Invention Grant
- Patent Title: Screen cleaner
- Patent Title (中): 屏幕清洁
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Application No.: US16074527Application Date: 1927-01-12
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Publication No.: US1687428APublication Date: 1928-10-09
- Inventor: OTIS CORKRAN LEVIN
- Applicant: OTIS CORKRAN LEVIN
- Assignee: Corkran Levin Otis
- Current Assignee: Corkran Levin Otis
- Priority: US16074527 1927-01-12
- Main IPC: B01D29/07
- IPC: B01D29/07
Public/Granted literature
- US10895776B2 Liquid crystal panel and manufacturing method for the same Public/Granted day:2021-01-19
Information query
IPC分类:
