Number | Date | Country | Kind |
---|---|---|---|
43 00 683.3 | Jan 1993 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
516620 | Waterston | Mar 1984 | |
1675448 | Carson | Jul 1928 | |
1915837 | Porter | Jun 1933 |
Number | Date | Country |
---|---|---|
0141058 | May 1985 | EPX |
0236105 | Sep 1987 | EPX |
2524793 | Jan 1976 | DEX |
3143909 | May 1983 | DEX |
4007775 | Sep 1991 | DEX |
656076 | Aug 1951 | GBX |
Entry |
---|
Patent Abstracts of Japan Pub. #JP62035845; App.#JP850176001. |