Number | Date | Country | Kind |
---|---|---|---|
60-206407 | Sep 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2332876 | Uhlmann | Oct 1943 | |
2728025 | Weimer | Dec 1955 | |
2864033 | Aiken | Dec 1958 | |
2880365 | Law et al. | Mar 1959 | |
2965801 | Archer et al. | Dec 1960 | |
3080500 | Preston | Mar 1963 | |
3794876 | Van Alphen | Feb 1974 | |
3890541 | McCarthy et al. | Jun 1975 |
Number | Date | Country |
---|---|---|
1354682 | May 1974 | GBX |
2133211 | Jul 1984 | GBX |
Entry |
---|
Patent Abstracts of Japan, Unexamined Applications, E Section, vol. 9, No. 270, 10-26-85, p. 75, E 353. |