Number | Name | Date | Kind |
---|---|---|---|
1569066 | Beiger | Jan 1926 | |
3653357 | Sheidlower et al. | Apr 1972 | |
3654012 | Schlager | Apr 1972 | |
3695799 | Held, Jr. | Oct 1972 | |
3709426 | Farkas | Jan 1973 | |
4677938 | Tominaga | Jul 1987 | |
4946414 | Zimmer | Aug 1990 | |
4953506 | Sanders | Sep 1990 | |
5005524 | Berry | Apr 1991 | |
5409126 | DeMars | Apr 1995 | |
5575236 | Pogue et al. | Nov 1996 | |
5619952 | Walker | Apr 1997 | |
5779517 | Clarke | Jul 1998 | |
5895624 | Reece et al. | Apr 1999 | |
5928599 | Laphan et al. | Jul 1999 |
Entry |
---|
EXPLORATOY Product Catalog, 1996. |
Educational Insights Buyer's Catalog 1996. |
"CRITTER CONDO", Advertisement from Educational Insights Product Catalog. |