Number | Name | Date | Kind |
---|---|---|---|
2288970 | Weisbender | Jul 1942 | |
2524291 | Hoffman | Oct 1950 | |
2686722 | Goldstein | Aug 1954 | |
3322545 | Siehrs | May 1967 | |
3623889 | Falconer | Nov 1971 | |
3867556 | Darragh et al. | Feb 1975 | |
3971853 | Crowder | Jul 1976 | |
4310559 | Mita et al. | Jan 1982 | |
4738862 | Bee | Apr 1988 | |
4853235 | Tomomatsu | Aug 1989 | |
4999208 | Lengerich et al. | Mar 1991 | |
5343710 | Cathenaut et al. | Sep 1994 | |
5394705 | Torii et al. | Mar 1995 | |
5516540 | Cathenaut | May 1996 | |
5538745 | Tapfer et al. | Jul 1996 | |
5728419 | Caron et al. | Mar 1998 | |
5783239 | Callens et al. | Jul 1998 | |
5876995 | Bryan | Mar 1999 | |
5958481 | Hodges | Sep 1999 | |
6004615 | Kim et al. | Dec 1999 |
Number | Date | Country |
---|---|---|
0674841 | Mar 1994 | EP |
1573397 | May 1969 | FR |
3195462 | Aug 1991 | JP |
Entry |
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Database Abstract, Derwent Information Ltd., WPI Acession No. 91-292601/199140, XRAM Accession No. C91-126711, abstract of KOGYO Japanese Patent Application (Kokai) 3-195462 (1991). |