Number | Date | Country | Kind |
---|---|---|---|
61-277056 | Nov 1986 | JPX | |
61-288356 | Dec 1986 | JPX | |
61-288357 | Dec 1986 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1049150 | Robail | Dec 1912 | |
2735713 | Blakeley | Feb 1956 | |
3968885 | Hassan et al. | Jul 1976 | |
4336926 | Inagaki et al. | Jun 1982 | |
4353537 | Koufos | Oct 1982 | |
4502830 | Inaba et al. | Mar 1985 | |
4507046 | Sugimoto et al. | Mar 1985 | |
4591199 | Zajac | May 1986 | |
4660464 | Tanaka | Apr 1987 | |
4723799 | Wollman et al. | Feb 1988 |
Number | Date | Country |
---|---|---|
138473 | Apr 1985 | EPX |
94338 | Jul 1985 | EPX |
970441 | Sep 1964 | GBX |
Entry |
---|
Reduction of Labor and Automation, Jun., 1985, pp. 43-47. |