Number | Name | Date | Kind |
---|---|---|---|
1270175 | Lambe | Jun 1918 | |
1632004 | Hampton | Jun 1927 | |
1717925 | Horix | Jun 1929 | |
1830284 | Massa | Nov 1931 | |
2085321 | Lang | Jun 1937 | |
2486900 | Willis | Nov 1949 | |
3057240 | De Witt | Oct 1962 | |
3129000 | Casson | Apr 1964 | |
3143909 | Ehlert | Aug 1964 | |
3234838 | Faull | Feb 1966 | |
3284895 | Selander et al. | Nov 1966 | |
3839791 | Framster, III | Oct 1974 | |
4428118 | Lagher | Jan 1984 | |
4567802 | Witherspoon | Feb 1986 | |
4811936 | Laymaster | Mar 1989 | |
4973823 | Benway et al. | Nov 1990 | |
5079838 | Stalling, Jr. | Jan 1992 |
Number | Date | Country |
---|---|---|
587267 | May 1993 | EPX |
2222548 | May 1972 | DEX |
672 282 | Nov 1989 | CHX |
Entry |
---|
Patent Abstract of Japan, vol. 18, No. 366 (M-1636), Jul. 11, 1994 & JP-A-06 099393 (Sekisui Chem. Co. Ltd.), Apr. 12, 1994. |