| Number | Name | Date | Kind |
|---|---|---|---|
| D308975 | Niebauer | Jul 1990 | |
| 4367990 | Porat et al. | Jan 1983 | |
| 4856942 | Bernadic et al. | Aug 1989 | |
| 5180258 | Bernadic | Jan 1993 |
| Entry |
|---|
| Kennam et al; Kenloc N/P Inserts; .COPYRGT.1983; p. 12813. |
| Kennam et al; Kenloc N/P Inserts; .COPYRGT.1980; pp. 8-10. |