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D227783 | Jarda et al. | Jul 1973 | |
D270260 | Appel et al. | Aug 1983 | |
D283890 | Britz et al. | May 1986 | |
D291566 | Perry et al. | Aug 1987 | |
D294144 | Chang | Feb 1988 | |
571590 | Gallagher, Jr. | Nov 1896 | |
4518830 | Drexler et al. | May 1985 | |
4672661 | Clark, Jr. et al. | Jun 1987 |
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