Number | Date | Country | Kind |
---|---|---|---|
2-330048 | Nov 1990 | JPX | |
3-40861 | Feb 1991 | JPX | |
3-59487 | Mar 1991 | JPX | |
3-169346 | Jun 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3038199 | Bartow et al. | Jun 1962 | |
3189667 | Buttner et al. | Jun 1965 | |
3469283 | Vinson | Sep 1969 | |
3571854 | Lundstrom | Mar 1971 | |
3650646 | Kirkpatrick | Mar 1972 | |
3897532 | Lyssy | Jul 1975 | |
4808224 | Anderson et al. | Feb 1989 | |
4869869 | Anderson et al. | Sep 1989 | |
5080731 | Tabaru et al. | Jan 1992 |
Number | Date | Country |
---|---|---|
0386472 | Dec 1990 | EPX |
49-135805 | Dec 1974 | JPX |
51-136198 | May 1975 | JPX |
55-26601 | Jul 1980 | JPX |
55-26601 | Jul 1980 | JPX |
59-127823 | Nov 1984 | JPX |
61-67599 | Apr 1986 | JPX |
61-147997 | Jul 1986 | JPX |
61114505 | Oct 1986 | JPX |
62-13298 | Jan 1987 | JPX |
61-194703 | Jan 1987 | JPX |
62-64498 | Mar 1987 | JPX |
62-185929 | Mar 1987 | JPX |
63-111155 | Sep 1988 | JPX |
63-227701 | Sep 1988 | JPX |
Entry |
---|
English abstract of Japanese Unexamined Patent Application (kokai) No. 56-119699, published Sep. 19, 1981. |