Number | Name | Date | Kind |
---|---|---|---|
3549150 | Weeks | Dec 1970 | A |
3690671 | Slutsky | Sep 1972 | A |
3707287 | Spector | Dec 1972 | A |
3977681 | Deitrich | Aug 1976 | A |
4169601 | Frischmann et al. | Oct 1979 | A |
4221388 | Carini | Sep 1980 | A |
4373732 | Ogilvie | Feb 1983 | A |
4463952 | Rowbal | Aug 1984 | A |
4804190 | Hofmann | Feb 1989 | A |
4981301 | Frain | Jan 1991 | A |
5054789 | Pellerin | Oct 1991 | A |
5139270 | Gernhofer | Aug 1992 | A |
D356834 | Steffensen | Mar 1995 | S |
5449179 | Hefferan | Sep 1995 | A |
D363318 | Stephan | Oct 1995 | S |
5458338 | Beardsley | Oct 1995 | A |
5491324 | Vanderpool | Feb 1996 | A |
5601288 | White et al. | Feb 1997 | A |
5624119 | Leake | Apr 1997 | A |
5653443 | Ervin | Aug 1997 | A |
5743740 | Visser et al. | Apr 1998 | A |
5823534 | Banyai | Oct 1998 | A |
D407125 | Hopkins | Mar 1999 | S |
5909875 | Weingardt | Jun 1999 | A |
5935002 | Falciglia | Aug 1999 | A |
6079710 | Brown | Jun 2000 | A |
6234483 | Bucan | May 2001 | B1 |
D453801 | Wimberly | Feb 2002 | S |
Number | Date | Country |
---|---|---|
10-116018 | May 1998 | JP |
Entry |
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Ebay.com, Active Learning-Color & Shape Bigo-3-36 play, Feb. 7, 2003. |