Number | Date | Country | Kind |
---|---|---|---|
6-184611 | Aug 1994 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1502763 | Bugbee | Jul 1924 | |
3446878 | Tsukahara | May 1969 | |
3592883 | Kawakubo | Jul 1971 | |
4535007 | Cannady | Aug 1985 | |
4543344 | Cannady | Sep 1985 | |
4847345 | Takamizawa et al. | Jul 1989 | |
4869854 | Takeda et al. | Sep 1989 | |
5030702 | Vaahs et al. | Jul 1991 | |
5595589 | Hoshiba et al. | Jan 1997 |
Number | Date | Country |
---|---|---|
51-41376 | Nov 1976 | JPX |
55-139472 | Oct 1980 | JPX |
58-45274 | Mar 1983 | JPX |
58-208360 | Dec 1983 | JPX |
59-117570 | Jul 1984 | JPX |
59-117569 | Jul 1984 | JPX |
59-204671 | Nov 1984 | JPX |
61-95084 | May 1986 | JPX |
61-203184 | Sep 1986 | JPX |
61-275370 | Dec 1986 | JPX |
64-4555 | Jan 1989 | JPX |
5-302054 | Nov 1993 | JPX |
Entry |
---|
Database WPI, Week 8939, Derwent Publications Ltd., London, GB; AN 89-280942 & JP-A-01 203 476 (Toa Nenryo Kogyo KK), 16 Aug. 1989 (Abstract only). |