![]() ![]() Original Assignee Bulova Watch Co Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US166838A Inventor Hetzel Max Current Assignee (The listed assignees may be inaccurate. Google Patents Electromagnetic vibrating driveÄownload PDF Info Publication number US3149274A US3149274A US166838A US16683862A US3149274A US 3149274 A US3149274 A US 3149274A US 166838 A US166838 A US 166838A US 16683862 A US16683862 A US 16683862A US 3149274 A US3149274 A US 3149274A Authority US United States Prior art keywords coil pick drive coils drive coil Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US3149274A - Electromagnetic vibrating drive US3149274A - Electromagnetic vibrating drive ![]()
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