Machine for making stems for incandescent lamps.

Invention Grant

US860977A Machine for making stems for incandescent lamps. 失效

Title translation: 用于制造不良灯泡的机器。

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Patent Title: Machine for making stems for incandescent lamps.
Patent Title (中): 用于制造不良灯泡的机器。
Application No.: US1903173765

Application Date: 1903-09-19
Publication No.: US860977A

Publication Date: 1907-07-23
Inventor: HOWELL JOHN W , BURROWS WILLIAM R
Applicant: GEN ELECTRIC
Assignee: Gen Electric
Current Assignee: Gen Electric
Priority: US1903173765 1903-09-19

Machine for making stems for incandescent lamps.

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