|
| US4069832 | 18 Aug 1976 | 24 Jan 1978 | | Collapsible rod and joint structure forming a tetrahedral or similar frame |
| US4299050 | 13 Feb 1980 | 10 Nov 1981 | | Construction toy and container |
| US4352255 | 4 Dec 1980 | 5 Oct 1982 | | Group use toy structural construction set |
| US4758196 | 27 Mar 1987 | 19 Jul 1988 | | Block unit for making three-dimensional blocks composed of geometric points, lines and planes |
| US4763902 | 3 Apr 1987 | 16 Aug 1988 | | Framework of rods configurable into a variety of shapes |
| US5152230 | 20 Jun 1983 | 6 Oct 1992 | | Joining means for securing articles together |
| US5250001 | 3 Apr 1992 | 5 Oct 1993 | | Toy construction kit |
| US5630587 | 29 Sep 1995 | 20 May 1997 | | Manipulative game |
| US5845451 | 31 Jan 1996 | 8 Dec 1998 | | Telescoping polygonal figure |
| US5846111 | 14 Aug 1997 | 8 Dec 1998 | | Construction kit for kites and model gliders as well as presentation objects and surfaces |
| US6068533 | 8 Feb 1999 | 30 May 2000 | Connector Set Limited Partnership | Panel element for multi-part construction toy |
| US6089941 | 3 Oct 1997 | 18 Jul 2000 | Connector Set Limited Partnership | Panels for construction toy set |
| US6672931 | 14 Nov 2000 | 6 Jan 2004 | | Interconnectable model construction elements |
| US6948998 | 9 Feb 2004 | 27 Sep 2005 | | Interconnectable model construction elements |
| US6993879 | 17 Oct 2002 | 7 Feb 2006 | | Molded plastic truss work |
| US7371146 | 9 Feb 2005 | 13 May 2008 | | Toy construction set method and apparatus |
