In The News Posted January 29, 2019 Share Posted January 29, 2019 PITTSBURGH, Jan. 29, 2019 /PRNewswire/ -- Two inventors, from Lubbock, Texas, wanted to create a better way to display their favorite collectible sports cards, so they invented the GRAND SLAM DISPLAY SYSTEM. The invention provides an effective way to display collectible cards. In doing... View the full article Link to comment Share on other sites More sharing options...
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