Number | Name | Date | Kind |
---|---|---|---|
604386 | Goodwin | May 1898 | |
1381873 | Hardy | Jun 1921 | |
2547847 | Barclay | Apr 1951 | |
2670107 | Welden | Feb 1954 | |
3469747 | Richmond | Sep 1969 | |
3727807 | Flider | Apr 1973 | |
3746200 | Flider | Jul 1973 | |
3858843 | Hartmann | Jan 1975 | |
3927797 | Flider | Dec 1975 | |
4063667 | Flider | Dec 1977 | |
4645099 | Gillispie et al. | Feb 1987 | |
4834270 | Messner | May 1989 | |
5564608 | Cooper | Oct 1996 |
Entry |
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PTO/Disclosure Document Program: . . . #409,903, filed: Jan. 07, 1997. |