Number | Name | Date | Kind |
---|---|---|---|
1462917 | Miller | Jul 1923 | |
2057152 | Lenschow | Oct 1936 | |
3122151 | Chambers | Feb 1964 | |
3633594 | Boundy | Jan 1972 | |
3801991 | Fulton et al. | Apr 1974 | |
4054149 | Nelson | Oct 1977 | |
4058412 | Knapp et al. | Nov 1977 | |
4667351 | Williams | May 1987 | |
4776631 | Sargent et al. | Oct 1988 | |
4805652 | Hartley et al. | Feb 1989 | |
4868932 | Thoma et al. | Sep 1989 | |
4905325 | Colditz | Mar 1990 | |
4944048 | Sargent et al. | Jul 1990 | |
4967776 | Folmar | Nov 1990 | |
5031249 | Sargent | Jul 1991 | |
5186195 | Wall | Feb 1993 | |
5210901 | Cooper | May 1993 | |
5408704 | Bailey et al. | Apr 1995 | |
5463887 | Vasseur | Nov 1995 | |
5524655 | Powers et al. | Jun 1996 | |
5613510 | Proctor | Mar 1997 | |
5621924 | Friedman et al. | Apr 1997 | |
5640643 | Hoitz | Jun 1997 | |
5642746 | Sayce | Jul 1997 | |
5876511 | Till | Mar 1999 | |
5996600 | Ostry | Dec 1999 | |
6006766 | Soulages | Dec 1999 |
Number | Date | Country |
---|---|---|
5-261353 | Oct 1993 | JP |
Entry |
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European Patent Office 82,557 134/167R, Jun. 1983. |