Number | Name | Date | Kind |
---|---|---|---|
1456168 | Witmer et al. | May 1923 | A |
3095947 | Beaulaurier | Jul 1963 | A |
4331329 | Mirkovich et al. | May 1982 | A |
4478420 | Sowards | Oct 1984 | A |
4576375 | Roberts | Mar 1986 | A |
5299989 | Boyd et al. | Apr 1994 | A |
5385518 | Turner | Jan 1995 | A |
5810695 | Sass | Sep 1998 | A |
5967943 | Rich | Oct 1999 | A |
6036620 | Yang | Mar 2000 | A |
6582264 | Brown | Jun 2003 | B2 |
Entry |
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Jump 'N Fun product literature (2 pages). |
MAXXON website page, Aug. 23, 2000 (1 page). |