Invention Grant
- Patent Title: Tiled wall
- Patent Title (中): 瓷砖墙
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Application No.: US16161937Application Date: 1937-08-30
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Publication No.: US2202568APublication Date: 1940-05-28
- Inventor: WORDEN RALPH C
- Applicant: WORDEN RALPH C
- Assignee: Ralph C Worden
- Current Assignee: Ralph C Worden
- Priority: US16161937 1937-08-30
- Main IPC: E04F13/08
- IPC: E04F13/08
Public/Granted literature
- US11035971B2 Data quality monitoring and control systems and methods Public/Granted day:2021-06-15
Information query
IPC分类:
