Number | Name | Date | Kind |
---|---|---|---|
4125768 | Jackson et al. | Nov 1978 | |
4188087 | D'Auria et al. | Feb 1980 | |
4394061 | Schroeder | Jul 1983 | |
4452506 | Reeve et al. | Jun 1984 | |
4474423 | Bisbee et al. | Oct 1984 |
Entry |
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European Patent Application 0 063 954, (Campbell), based on U.S. Application 258,079 filed 4/27/81 and abandoned on 10/15/82. |
Campbell et al.; European Patent Application 82302158.9, Priority date--Apr. 27, 1981, (U.S. Application 258,079). |