Invention Grant
- Patent Title: Method of finishing gears
- Patent Title (中): 齿轮加工方法
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Application No.: US982435Application Date: 1935-03-07
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Publication No.: US2137146APublication Date: 1938-11-15
- Inventor: SIMMONS OLIVER G
- Applicant: SIMMONS OLIVER G
- Assignee: Oliver G Simmons
- Current Assignee: Oliver G Simmons
- Priority: US982435 1935-03-07
- Main IPC: B21H5/02
- IPC: B21H5/02 ; B23F19/06 ; B23F21/28
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