Invention Grant
- Patent Title: Process of making metallic rims for bull wheels
- Patent Title (中): 制作牛车轮金属轮圈的过程
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Application No.: US2991325Application Date: 1925-05-13
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Publication No.: US1694689APublication Date: 1928-12-11
- Inventor: PRITCHARD CARL B
- Applicant: PRITCHARD CARL B
- Assignee: Carl B Pritchard
- Current Assignee: Carl B Pritchard
- Priority: US2991325 1925-05-13
- Main IPC: B21D53/30
- IPC: B21D53/30
Information query
