Number | Name | Date | Kind |
---|---|---|---|
2188882 | Clocker | Jan 1940 | |
2188884 | Clocker | Jan 1940 | |
2188887 | Clocker | Jan 1940 | |
2188888 | Clocker | Jan 1940 | |
2275843 | Clocker | Mar 1942 | |
3066159 | DeGroote et al. | Nov 1962 | |
3253938 | Hunt | May 1966 | |
3433754 | Honel | Mar 1969 | |
3968310 | Stowell | Jul 1976 | |
4075145 | Russell | Feb 1978 |
Number | Date | Country |
---|---|---|
60-99074 | Jun 1985 | JPX |
785474 | Oct 1957 | GBX |
Entry |
---|
Kao Corp., Chemical Abstracts, vol. 103: 216859e (1985), (Abstract of above Japanese Kokai). |