Number | Name | Date | Kind |
---|---|---|---|
2191780 | Tinnerman | Feb 1940 | |
2317315 | Wallace | Apr 1943 | |
3151907 | Morgan | Oct 1964 | |
3310929 | Garvey | Mar 1967 | |
3433525 | Augunas | Mar 1969 | |
3889320 | Koscik | Jun 1975 | |
4067602 | Ahlisch et al. | Jan 1978 | |
4188440 | Doerer | Feb 1980 | |
4356592 | Moore | Nov 1982 | |
4357734 | Moore | Nov 1982 | |
4373229 | Moore | Feb 1983 | |
4404709 | Janz et al. | Sep 1983 | |
4548533 | Pratt | Oct 1985 | |
4610478 | Tervol | Sep 1986 | |
4686609 | Dykstra et al. | Aug 1987 |
Number | Date | Country |
---|---|---|
3442877 | Jun 1986 | DEX |
Entry |
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The Hartwell Corporation--NYLATCH technical report. |