Number | Date | Country | Kind |
---|---|---|---|
2-199059 | Jul 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2297691 | Carlson | Oct 1942 | |
4246332 | Tanaka et al. | Jan 1981 |
Number | Date | Country |
---|---|---|
254543 | Jan 1988 | EPX |
55-6895 | Feb 1980 | JPX |
59-45453 | Mar 1984 | JPX |
63-27855 | Feb 1988 | JPX |
63-127245 | May 1988 | JPX |
9010893 | Sep 1990 | WOX |
2237399 | May 1991 | GBX |
Entry |
---|
Patent Abstracts of Japan, vol. 6, No. 92 (P-119) (970) May 29, 1982; JPA 57-026855. |
Patent Abstracts of Japan, vol. 12, No. 188 (P-711) (3035) Jun. 2, 1988; JPA 62-295068. |
Patent Abstracts of Japan, vol. 6, No. 98 (C-106) (976) Jun. 8, 1982; JPA 57-030767. |
Patent Abstracts of Japan, vol. 5, No. 8 (C-39) (680) Jan. 20, 1981; JPA 55-137170. |