![]() Original Assignee Dart Manufacturing Co 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 US726457A Inventor Dart William Arthur Current Assignee (The listed assignees may be inaccurate. Google Patents US2988361A - Marble race gameÄownload PDF Info Publication number US2988361A US2988361A US726457A US72645758A US2988361A US 2988361 A US2988361 A US 2988361A US 726457 A US726457 A US 726457A US 72645758 A US72645758 A US 72645758A US 2988361 A US2988361 A US 2988361A Authority US United States Prior art keywords marble race game elements grooved Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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