Invention Grant
- Patent Title: Machine for putting coil-guards on safety-pins.
- Patent Title (中): 用于对安全引线进行线圈保护的机器。
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Application No.: US2798315Application Date: 1915-05-14
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Publication No.: US1177926APublication Date: 1916-04-04
- Inventor: CAIRNS EDWARD
- Applicant: CONS SAFETY PIN COMPANY
- Assignee: Cons Safety Pin Company
- Current Assignee: Cons Safety Pin Company
- Priority: US2798315 1915-05-14
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