Number | Name | Date | Kind |
---|---|---|---|
D317791 | Britton | Jun 1991 | |
571464 | Truex | Nov 1896 | |
715474 | Gaylor | Dec 1902 | |
1167394 | Foster | Jan 1916 | |
1421678 | Ebert | Jul 1922 | |
1596918 | Brunner | Aug 1926 | |
1955795 | Ekbom | Apr 1934 | |
3081088 | Kast | Mar 1963 | |
3163425 | Caplan | Dec 1964 | |
3731934 | Shoptaugh | May 1973 | |
3804418 | Sander | Apr 1974 | |
4215866 | Shimizu | Aug 1980 | |
4234185 | Alsip | Nov 1980 | |
4813679 | Hoffman | Mar 1989 |
Number | Date | Country |
---|---|---|
2703920 | Oct 1994 | FRX |
2703918 | Oct 1994 | FRX |
1440516 | Nov 1988 | SUX |
Entry |
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Patent Application, Serial Number 29/047354 Daniel J. Noack, Design for Sliding Checkerboard, file Apr. 29, 1996. |