Patent Grant
D421533
| Number | Name | Date | Kind |
|---|---|---|---|
| D172098 | Knoll | May 1954 | |
| D243051 | Goulooze | Jan 1977 | |
| D320129 | Perrego et al. | Sep 1991 | |
| D331672 | Brodbeck | Dec 1992 | |
| D332188 | Brodbeck | Jan 1993 | |
| D366165 | Holsinger et al. | Jan 1996 | |
| 3871435 | Lopatka | Mar 1975 | |
| 4807539 | Del Castillo Von Haucke | Feb 1989 | |
| 4936228 | Capo-Bianco | Jun 1990 | |
| 5016405 | Lee | May 1991 | |
| 5848497 | Henderson | Dec 1998 |
