Invention Grant
- Patent Title: Core-breaker
- Patent Title (中): 断路器
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Application No.: US61653632Application Date: 1932-06-10
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Publication No.: US1903772APublication Date: 1933-04-18
- Inventor: BOWMAN NEWTON K
- Applicant: BOWMAN NEWTON K
- Assignee: Newton K Bowman
- Current Assignee: Newton K Bowman
- Priority: US61653632 1932-06-10
- Main IPC: B27B33/14
- IPC: B27B33/14 ; B28D1/12 ; E21C35/18
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