This application is a continuation of application Ser. No. 663204 filed Oct. 22, 1984 and now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
661886 | Monell | Nov 1900 | |
678793 | Look | Jul 1901 | |
680938 | Paul | Aug 1901 | |
732319 | Rogers et al. | Jun 1903 | |
780031 | Forster | Jan 1905 | |
794928 | Dodd | Jul 1905 | |
953520 | Dykes | Mar 1910 | |
980202 | Christensen | Jan 1911 | |
995449 | Fronz | Jun 1911 | |
1116246 | Crane | Nov 1914 | |
1197398 | Richards | Sep 1916 | |
1282108 | Nicholls | Oct 1918 | |
1405018 | Shepherd | Jan 1922 | |
1423777 | Newman et al. | Jul 1922 | |
1429845 | Cooley | Sep 1922 | |
1442186 | Sperry | Jan 1923 | |
1534536 | Meyer | Apr 1925 | |
1593728 | Stebbins | Jul 1926 | |
1642843 | Deister et al. | Sep 1927 | |
1781810 | Dyer | Nov 1930 | |
1799694 | Lide | Apr 1931 | |
1822840 | Davis | Sep 1931 | |
2325340 | Oberdick | Jul 1943 | |
4078996 | Cohen-Alloro et al. | Mar 1978 | |
4150749 | Stevens | Apr 1979 |
Number | Date | Country |
---|---|---|
9153 | May 1916 | GBX |
Entry |
---|
Robert H. Richards, Charles E. Locke, Reinhardt Schuhmann, Textbook of Ore Dressing, 3rd Edition, McGraw-Hill Book Company, Inc., 1940, pp. 210-225. |
Number | Date | Country | |
---|---|---|---|
Parent | 663204 | Oct 1984 |