Invention Grant
- Patent Title: Process for making wheels
- Patent Title (中): 轮子制作工艺
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Application No.: US21178038Application Date: 1938-06-04
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Publication No.: US2268838APublication Date: 1942-01-06
- Inventor: ALBERT LYON GEORGE
- Applicant: ALBERT LYON GEORGE
- Assignee: Lyon George Albert
- Current Assignee: Lyon George Albert
- Priority: US21178038 1938-06-04
- Main IPC: B21D53/26
- IPC: B21D53/26
Information query
