Invention Grant
- Patent Title: Worm drive mechanism for windmill-engines.
- Patent Title (中): WINDMILL-ENGINES的驱动机构。
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Application No.: US16906417Application Date: 1917-05-16
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Publication No.: US1249931APublication Date: 1917-12-11
- Inventor: ELLER TOM , ELLER PERNELL D
- Applicant: ELLER TOM , ELLER PERNELL D
- Assignee: Tom Eller,Pernell D Eller
- Current Assignee: Tom Eller,Pernell D Eller
- Priority: US16906417 1917-05-16
Public/Granted literature
- US11890146B2 Illumination system and method for object tracking Public/Granted day:2024-02-06
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