Number | Date | Country | Kind |
---|---|---|---|
9100216 | Jan 1991 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
2273459 | Britton | Nov 1938 | |
2286995 | Reichert | Aug 1939 | |
2352253 | Cockerille | Jun 1944 | |
2504195 | Hall et al. | Apr 1950 | |
3546284 | List et al. | Dec 1970 | |
3551300 | Longley | Dec 1970 | |
3772156 | Johnson et al. | Nov 1973 | |
4149013 | Klein | Apr 1979 | |
4338260 | Schirmann | Jul 1982 | |
4459240 | Pralus et al. | Jul 1984 | |
4549025 | Delcanale et al. | Oct 1985 | |
5144067 | Zoeller et al. | Sep 1992 |
Number | Date | Country |
---|---|---|
1138891 | Jan 1983 | CAX |
1279656 | Jan 1991 | CAX |
13551 | Jul 1980 | EPX |
0087870 | Sep 1983 | EPX |
0217191 | Apr 1987 | EPX |
0322215 | Jun 1989 | EPX |
2940751 | Apr 1980 | DEX |
58-116436 | Jul 1973 | JPX |
48-30615 | Sep 1973 | JPX |
61-56151 | Mar 1986 | JPX |
2134342 | Feb 1990 | JPX |
372434 | May 1932 | GBX |
749098 | May 1956 | GBX |
1201260 | Aug 1970 | GBX |
1233121 | May 1971 | GBX |
1293774 | Oct 1972 | GBX |
1360328 | Jul 1974 | GBX |
1423485 | Feb 1976 | GBX |
2033901 | May 1980 | GBX |
292281 | Dec 1968 | SUX |
1437363 | Nov 1988 | SUX |
9203403 | Mar 1992 | WOX |
Entry |
---|
Patent Abstracts of Japan, vol. 9, No. 301 (C-316) (2024) 28 Nov. 1985 & JP-A-60 139 641 (DAICEL) 24 Jul. 1985 *abstract*. |