Invention Grant
- Patent Title: Carburizing box
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Application No.: US17022637Application Date: 1937-10-21
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Publication No.: US2144374APublication Date: 1939-01-17
- Inventor: HOFFMAN WALTER G
- Applicant: AMERICAN BRAKE SHOE & FOUNDRY
- Assignee: American Brake Shoe & Foundry
- Current Assignee: American Brake Shoe & Foundry
- Priority: US17022637 1937-10-21
- Main IPC: C21D9/00
- IPC: C21D9/00
Public/Granted literature
- US11863357B2 Communication link re-training Public/Granted day:2024-01-02
Information query
