Number | Date | Country | Kind |
---|---|---|---|
60-289818 | Dec 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3749833 | Rait | Jul 1973 | |
3800076 | Koizumi | Mar 1974 | |
4574317 | Scheible | Mar 1986 | |
4652743 | Harano | Mar 1987 |
Number | Date | Country |
---|---|---|
0039170 | Apr 1981 | EPX |
0076700 | Oct 1982 | EPX |
0098745 | Jun 1983 | EPX |
2716976 | Apr 1977 | DEX |
3033520 | Sep 1980 | DEX |
3339256 | Oct 1983 | DEX |
34273 | Apr 1981 | JPX |
1557881 | Jun 1977 | GBX |
2010633 | Dec 1978 | GBX |
2015846 | Feb 1979 | GBX |
2069291 | Feb 1981 | GBX |
2082874 | Aug 1981 | GBX |
Entry |
---|
Scanning Typewriter, by Dattilo and Queener, IBM Technical Disclosure Bulletin, vol. 20, No. 4, Sep. 1977, p. 1299. |