Invention Grant
- Patent Title: Method of making hollow panels
- Patent Title (中): 制造中空板的方法
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Application No.: US44681742Application Date: 1942-06-12
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Publication No.: US2385352APublication Date: 1945-09-25
- Inventor: CLARENCE DAVIS OLIVER
- Applicant: MENGEL COMPANY
- Assignee: Mengel Company
- Current Assignee: Mengel Company
- Priority: US44681742 1942-06-12
- Main IPC: E06B3/70
- IPC: E06B3/70
Information query
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