Patent Grant
D414240
| Number | Name | Date | Kind |
|---|---|---|---|
| D316741 | Kurth et al. | May 1991 | |
| D328777 | Thalmann et al. | Aug 1992 | |
| D331097 | Sieren et al. | Nov 1992 | |
| D332480 | Sieren et al. | Jan 1993 | |
| D333505 | Matsumura et al. | Feb 1993 | |
| D343545 | Billet | Jan 1994 | |
| D355700 | Kool et al. | Feb 1995 | |
| D377081 | Lipshultz et al. | Dec 1996 | |
| D380524 | Kool | Jul 1997 |
