Patent Grant
D423601
| Number | Name | Date | Kind |
|---|---|---|---|
| D270258 | Iwaya et al. | Aug 1983 | |
| D297951 | Mayuzumi | Oct 1988 | |
| D305039 | Fudro | Dec 1989 | |
| D390279 | Foster et al. | Feb 1998 | |
| 1963376 | Papas | Jun 1934 | |
| 3627316 | Machinski | Dec 1971 | |
| 3823941 | Ochi et al. | Jul 1974 | |
| 4432544 | Wakimura | Feb 1984 | |
| 4566694 | Ehrat | Jan 1986 | |
| 4696477 | Tsuzuki | Sep 1987 | |
| 4790532 | Chen | Dec 1988 | |
| 4936574 | Lee | Jun 1990 | |
| 4957287 | Kobayashi | Sep 1990 | |
| 5314365 | Chen | May 1994 | |
| 5346221 | Gray | Sep 1994 | |
| 5682692 | Huang | Nov 1997 |
