Invention Grant
- Patent Title: Decorative building material and method of making the same
- Patent Title (中): 装饰建筑材料及其制作方法
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Application No.: US73197434Application Date: 1934-06-22
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Publication No.: US2066734APublication Date: 1937-01-05
- Inventor: LOETSCHER EMIL C
- Applicant: LOETSCHER EMIL C
- Assignee: Emil C Loetscher
- Current Assignee: Emil C Loetscher
- Priority: US73197434 1934-06-22
- Main IPC: D21J1/16
- IPC: D21J1/16
Information query
