Method of cutting straight, helicoidal, and conical gear-teeth.

Invention Grant

US906189A Method of cutting straight, helicoidal, and conical gear-teeth. 失效

Title translation: 切割直线，直线和圆锥齿轮的方法。

Patent Title: Method of cutting straight, helicoidal, and conical gear-teeth.
Patent Title (中): 切割直线，直线和圆锥齿轮的方法。
Application No.: US1905263225

Application Date: 1905-06-01
Publication No.: US906189A

Publication Date: 1908-12-08
Inventor: BOISARD LOUIS
Applicant: BOISARD LOUIS
Assignee: Louis Boisard
Current Assignee: Louis Boisard
Priority: US1905263225 1905-06-01

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