Number | Date | Country | Kind |
---|---|---|---|
9400541 | Apr 1994 | NLX |
Number | Name | Date | Kind |
---|---|---|---|
3791392 | Hanson | Feb 1974 | |
4986423 | Takeda | Jan 1991 | |
5027587 | Ramsey | Jul 1991 |
Number | Date | Country |
---|---|---|
392867 | Oct 1990 | EPX |
3424665 | Feb 1986 | DEX |
0048346 | May 1981 | JPX |
5-147768 | Jun 1993 | JPX |
Entry |
---|
Abstract of JP 6,056,311, Patent Abstracts of Japan, vol. 18, No. 294, Jun. 6, 1994. |