Number | Name | Date | Kind |
---|---|---|---|
4115930 | Beck | Sep 1978 | A |
4426801 | Gates | Jan 1984 | A |
4545768 | Hinnen | Oct 1985 | A |
5070665 | Marrin | Dec 1991 | A |
5366378 | Johannsen et al. | Nov 1994 | A |
5501603 | Mueller et al. | Mar 1996 | A |
5649379 | Hoffman | Jul 1997 | A |
5720464 | Meinscher | Feb 1998 | A |
5788503 | Shapiro | Aug 1998 | A |
5865627 | Foresman | Feb 1999 | A |
5987825 | Rosen | Nov 1999 | A |
6142786 | Culberson | Nov 2000 | A |
6203878 | Davis | Mar 2001 | B1 |
Entry |
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“Frame 2 Frame Children's Construction Sets” website, 1999. |