![]() ![]() ![]() Original Assignee Individual 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.) ![]() Inventor Roger Groves Phyllis Macintyre Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number CA 2014737 Other languages French ( fr) Google Patents CA2014737C - Bingo dabber ![]()
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