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  • Publication Date: December 31, 1969
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    US-2012060765-A1March 15, 2012Doug Hough, Megan HoughCollapsible Cat Activity Apparatus
    US-3129526-AApril 21, 1964Pamula GladysToy house construction
    US-3241833-AMarch 22, 1966Luchland CompanyBalancing game
    US-3389666-AJune 25, 1968Heinz Schultze BonatzFurniture element
    US-3417505-ADecember 24, 1968Darald R. SchultzSpace panels
    US-3519274-AJuly 07, 1970Thomas G TerbellComposite playing card sheets
    US-4286784-ASeptember 01, 1981Carlos EnterprisesBowling practice device
    US-4380336-AApril 19, 1983Pratt Charles DBird house and method of making same
    US-4620843-ANovember 04, 1986Higginbotham Sr Richard H, Higginbotham Jr Richard HChild's construction toy
    US-4685884-AAugust 11, 1987Rohan Kieran PMeans for simulating a topographical area
    US-4752269-AJune 21, 1988Jonathan FeinsteinReconfigurable, interchangeable and interlocking playthings, blocks or construction pieces
    US-5163862-ANovember 17, 1992Philips E Lakin, Benedict Ronald L, Olson Rita GTriangular block toy set
    US-5580293-ADecember 03, 1996Sestak; Joseph T., Lariccia; Anthony H.Toy stairway
    US-6615999-B1September 09, 2003Smart Furniture, LlcSystem for modular construction
    US-6845871-B1January 25, 2005Smart Furniture, LlcModular construction system
    WO-8100215-A1February 05, 1981Carlos Enterprises IncBowling practice device