Number | Name | Date | Kind |
---|---|---|---|
2235783 | White | Mar 1941 | |
2356565 | Chwala | Aug 1944 | |
2390507 | Cantor | Dec 1945 | |
2422328 | Young | Jun 1947 | |
3219656 | Boettner | Nov 1965 | |
3375243 | Nevin et al. | Mar 1968 | |
3450690 | Gibbons et al. | Jun 1969 | |
3547828 | Mansfield et al. | Dec 1970 | |
3598865 | Lew | Aug 1971 | |
3640998 | Mansfield et al. | Feb 1972 | |
3707535 | Lew | Dec 1972 | |
3721633 | Ranauto | Mar 1973 | |
3737426 | Throckmorton et al. | Jun 1973 | |
3772269 | Baak | Nov 1973 | |
3839318 | Mansfield | Oct 1974 | |
3974138 | Lew | Aug 1976 | |
4011389 | Langdon | Mar 1977 | |
4223129 | Roth et al. | Sep 1980 | |
4472170 | Hellyer | Sep 1984 | |
4557729 | McDaniel, Jr. et al. | Dec 1985 | |
4596602 | Bennett | Jun 1986 | |
4762918 | McDaniel et al. | Aug 1988 | |
4904774 | McDaniel et al. | Feb 1990 | |
4950743 | McCurry et al. | Aug 1990 | |
4959468 | Ravi et al. | Sep 1990 | |
5104981 | Yamamuro et al. | Apr 1992 | |
5130420 | Yamamuro et al. | Jul 1992 |
Number | Date | Country |
---|---|---|
0388857 | Sep 1990 | EPX |
0387913 | Sep 1990 | EPX |
WO9119723 | Dec 1991 | WOX |
Entry |
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U.S. Ser. No. 07/774,430. |
U.S. Ser. No. 07/810,588. |