Invention Grant
- Patent Title: Worm-gear driving mechanism.
- Patent Title (中): WORM-GEAR驱动机制。
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Application No.: US1912687896Application Date: 1912-04-01
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Publication No.: US1060802APublication Date: 1913-05-06
- Inventor: WATKINS ORLA H
- Applicant: J A KELLY , W J KELLY , WATKINS ORLA H
- Assignee: J A Kelly,W J Kelly,Orla H Watkins
- Current Assignee: J A Kelly,W J Kelly,Orla H Watkins
- Priority: US1912687896 1912-04-01
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