Number | Name | Date | Kind |
---|---|---|---|
368413 | Morgan et al. | Aug 1887 | |
4068441 | Shaffer | Jan 1978 | |
4070782 | Vasallo | Jan 1978 | |
4438165 | Butler | Mar 1984 | |
4488919 | Butler | Dec 1984 |
Number | Date | Country |
---|---|---|
WO8504622 | Oct 1985 | WOX |
Entry |
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Infinity Bevel System pp. 1 to 100, copyright 1988, by Randolph Raum, 1650 North Glassell Street, Suite U, Orange, Calif. 92665. |