Number | Date | Country | Kind |
---|---|---|---|
3-009210 | Jan 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2928048 | Postal | Mar 1960 | |
3323056 | Haley | May 1967 | |
3323057 | Haley | May 1967 | |
4639665 | Gary | Jan 1987 | |
4791361 | Beifoff et al. | Dec 1988 | |
4841235 | Hastings et al. | Jun 1989 |
Entry |
---|
Patent Abstracts of Japan Application No. 61-225661, P-551, Feb. 25, 1987, vol. 11, No. 62. |