Number | Name | Date | Kind |
---|---|---|---|
2501690 | Prendergast | Mar 1950 | |
3115668 | Townsend | Dec 1963 | |
3191222 | Townsend | Jun 1965 | |
3380129 | Magruder | Apr 1938 | |
3611493 | Fogelberg et al. | Oct 1971 | |
3856447 | Schiesser | Dec 1974 | |
4082488 | Brinkschroder et al. | Apr 1978 |
Number | Date | Country |
---|---|---|
2450063 | Sep 1980 | FRX |
Entry |
---|
Anon., Viscora-Flash, #36(1976). |