Number | Date | Country | Kind |
---|---|---|---|
63-217404 | Aug 1988 | JPX | |
63-217405 | Aug 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4115188 | O'Brien et al. | Sep 1978 | |
4173532 | Keoteklian | Nov 1979 | |
4640769 | Wemhoff | Feb 1987 | |
4670158 | Kelly | Jun 1987 | |
4724044 | Weishaar et al. | Feb 1988 | |
4791444 | Fujimoto et al. | Dec 1988 |
Number | Date | Country |
---|---|---|
272883 | Jun 1988 | EPX |
62-184457 | Dec 1987 | JPX |
Entry |
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"Euromatic Balls" Product Information Pamphlet, Techne Incorporated, Jun. 22, 1977. |
Patent Abstracts of Japan, vol. 11, No. 335 (P-632) [2782], Nov. 4, 1987, JPA-62-118,346; 5/29/87. |
Patent Abstracts of Japan vol. 12 No. 398 (C-538) [3245] Oct. 21, 1988 JPA-63-141,692; 6/14/88. |