Invention Grant
- Patent Title: Method of making patterns
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Application No.: US53416931Application Date: 1931-05-01
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Publication No.: US2056415APublication Date: 1936-10-06
- Inventor: YOUNG JOHN L
- Applicant: NAT RADIATOR CORP
- Assignee: Nat Radiator Corp
- Current Assignee: Nat Radiator Corp
- Priority: US53416931 1931-05-01
- Main IPC: B22C7/00
- IPC: B22C7/00
Information query
