Number | Date | Country | Kind |
---|---|---|---|
3734342 | Oct 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4090888 | Rademachers | May 1978 | |
4123501 | Kohler | Oct 1978 | |
4631089 | Rademachers | Dec 1986 | |
4701221 | Brunn | Oct 1987 |
Number | Date | Country |
---|---|---|
1162786 | Aug 1969 | GBX |
Entry |
---|
Patent Abstracts of Japan, vol. 9, No. 308, Dec. 1985; "Manufacture of Toner for Electrophotography". |