Patent Grant
D403475
| Number | Name | Date | Kind |
|---|---|---|---|
| D146573 | Karstadt | Apr 1947 | |
| D223509 | Hohulin et al. | Apr 1972 | |
| D243944 | Zijlstra | Apr 1977 | |
| D246107 | Yoshida et al. | Oct 1977 | |
| D261266 | Yoshida et al. | Oct 1981 | |
| D279614 | Essex | Jul 1985 | |
| D296944 | Yamamoto et al. | Jul 1988 | |
| D311613 | Kuriya | Oct 1990 | |
| D311614 | Hirano et al. | Oct 1990 | |
| D313680 | Ichihara et al. | Jan 1991 | |
| D315041 | Bradd | Feb 1991 | |
| D318937 | Shinozaki et al. | Aug 1991 | |
| D324929 | Burns | Mar 1992 | |
| D338293 | Kojima et al. | Aug 1993 | |
| D343931 | Tsuruha et al. | Feb 1994 | |
| D344165 | Kuriya | Feb 1994 | |
| D344373 | Haverkamp | Feb 1994 | |
| D377854 | Clouet | Feb 1997 |
