Number | Name | Date | Kind |
---|---|---|---|
3824903 | Hahn | Jul 1974 | |
3994206 | Dahlkvist et al. | Nov 1976 | |
5062455 | Schurter et al. | Nov 1991 | |
5193432 | Smith | Mar 1993 | |
5285716 | Thompson | Feb 1994 |
Number | Date | Country |
---|---|---|
0 315 463 A2 | May 1989 | EPX |
WO 9512748 | May 1995 | WOX |
Entry |
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Marks' Standard Handbook for Mechanical Engineers, 9th Ed, New York, McGraw-Hill, 1987, p. 13-33. |