Number | Date | Country | Kind |
---|---|---|---|
92830337 | Jun 1992 | EPX | |
92830552 | Oct 1992 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
4208780 | Richman | Jul 1980 | |
4599118 | Ham et al. | Jul 1986 | |
4649629 | Miller et al. | Mar 1987 | |
5091329 | Bekkering et al. | Feb 1992 |
Number | Date | Country |
---|---|---|
0148448 | Apr 1983 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 012, No. 287 (E-643) 5 Aug. 1988 & JP-A-63 064 361 (Sharp Corp) 22 Mar. 1988. |
Patent Abstracts of Japan, vol. 9, No. 110 (E-314(1833) 15 May 1985 & JP-A-60 000 769 (Hitachi Seisakusho K. K.) 5 Jan. 1985. |