Number | Date | Country | Kind |
---|---|---|---|
7-122890 | May 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2225552 | Colbeth | Dec 1940 | |
2484328 | Agster | Oct 1949 | |
3507791 | Teeter et al. | Apr 1970 | |
3574112 | Nelson | Apr 1971 | |
4844721 | Cox et al. | Jul 1989 | |
5468405 | Klein et al. | Nov 1995 |
Entry |
---|
Database WPI, Section Ch, Week 9302, Derwent Publications Ltd., London, GB; Class H07, AN 93-011688, XP002022374, & JP-A-04 337 388 (Miyoshi Yushi KK), Nov. 25, 1992 *abstract*. |