Invention Grant
- Patent Title: Rigid tight-lock coupler
- Patent Title (中): 刚性紧锁联轴器
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Application No.: US25307839Application Date: 1939-01-27
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Publication No.: US2214003APublication Date: 1940-09-10
- Inventor: DORN HERBERT E VAN
- Applicant: DORNVAN CORP
- Assignee: Dornvan Corp
- Current Assignee: Dornvan Corp
- Priority: US25307839 1939-01-27
- Main IPC: B61G3/20
- IPC: B61G3/20
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