Number | Date | Country | Kind |
---|---|---|---|
3-269864 | Oct 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4562092 | Wiech, Jr. | Dec 1985 | |
5032352 | Meeks et al. | Jul 1991 |
Number | Date | Country |
---|---|---|
0491950 | Jul 1992 | EPX |
8807901 | Oct 1988 | WOX |
Entry |
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Patent Abstracts of Japan, vol. 15, No. 174, Jul. 6, 1989 & JP-A-3-039405 (Mitsubishi Heavy Metal Ind KK), Feb. 20, 1991. |
Patent Abstracts of Japan, vol. 15, No. 336, Aug. 26, 1991 & JP-A-3-130306 (Seiki Epson), Jun. 4, 1991. |
Derwent Publications Ltd., London, Great Britain, AN 91-349234 & JP-A-3-232906 (Daido Tokushoko), Oct. 16, 1991. |