Invention Grant
- Patent Title: Manufacture of yarns
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Application No.: US33372140Application Date: 1940-05-07
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Publication No.: US2247471APublication Date: 1941-07-01
- Inventor: SMITH BELL ANGUS
- Applicant: CELANESE CORP
- Assignee: Celanese Corp
- Current Assignee: Celanese Corp
- Priority: GB2247471X 1939-06-09
- Main IPC: D02G3/22
- IPC: D02G3/22
Information query
