Number | Name | Date | Kind |
---|---|---|---|
837531 | Yeiser | Dec 1906 | |
1461107 | Barrier | Jul 1923 | |
2755811 | Murray | Jul 1956 | |
2856942 | Scott | Oct 1958 | |
4192334 | Daws | Mar 1980 | |
4402544 | Artim et al. | Sep 1983 | |
5159947 | Chuang et al. | Nov 1992 | |
5316357 | Schroeder | May 1994 |
Entry |
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Machine Design, vol. 43, p. 153, Nov. 1971. |