Invention Grant
- Patent Title: Shell mold and method of manufacture
- Patent Title (中): 壳模和制造方法
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Application No.: US71279658Application Date: 1958-02-03
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Publication No.: US2976588APublication Date: 1961-03-28
- Inventor: AMALA RAYMOND S , SCHROEDER ROYAL E
- Applicant: GEN MOTORS CORP
- Assignee: Motors Liquidation Co
- Current Assignee: Motors Liquidation Co
- Priority: US71279658 1958-02-03
- Main IPC: B22C23/00
- IPC: B22C23/00
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