Number | Name | Date | Kind |
---|---|---|---|
3275673 | Barlow | Sep 1966 | |
3983079 | Spadini et al. | Sep 1976 | |
4320033 | Yoshikawa | Mar 1982 | |
4338216 | Earl et al. | Jul 1982 | |
5075501 | Borland et al. | Dec 1991 | |
5130488 | Smith et al. | Jul 1992 |
Entry |
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English Abstract of Japan Patent Document JP 4904282, Apr. 18, 1974, Derwent Publications Ltd., Derwent data base accession No. 74942V/43. |