Number | Name | Date | Kind |
---|---|---|---|
3155749 | Rossen et al. | Nov 1964 | |
3723205 | Scheffee | Mar 1973 | |
3762972 | Allen | Oct 1973 | |
4214438 | Hamilton et al. | Jul 1980 | |
4368979 | Jackson, Jr. | Jun 1993 | |
4369079 | Shaw | Jan 1983 | |
4806180 | Goetz et al. | Feb 1989 | |
4981534 | Scheffe | Jan 1991 | |
5034070 | Goetz et al. | Jul 1991 | |
5104466 | Allard et al. | Apr 1992 | |
5236526 | Perotto | Aug 1993 | |
5387296 | Taylor et al. | Feb 1995 |
Entry |
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European Patent Office, European Search Report, 14 Mar. 1995, 3 pages. |