Number | Name | Date | Kind |
---|---|---|---|
2920481 | Hulswit | Jan 1960 | |
3375714 | Bottasso | Apr 1968 | |
3553903 | Christie | Jan 1971 | |
3724137 | Hofelt | Apr 1973 | |
3841033 | Appleby | Oct 1974 |
Entry |
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Society of Automotive Engineers, "High Speed Uniformity -- Variations," #720464, dated May 22, 1972 (all pages). |