Invention Grant
- Patent Title: Double blade knife
- Patent Title (中): 双刃刀
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Application No.: US59428456Application Date: 1956-06-27
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Publication No.: US2864421APublication Date: 1958-12-16
- Inventor: SCHMIDT WILLIAM C
- Applicant: CINCINNATI BUTCHERS SUPPLY CO
- Assignee: Cincinnati Butchers Supply Co
- Current Assignee: Cincinnati Butchers Supply Co
- Priority: US59428456 1956-06-27
- Main IPC: B02C18/20
- IPC: B02C18/20
Information query
