Number | Name | Date | Kind |
---|---|---|---|
3843681 | Demerson et al. | Oct 1974 | |
3939178 | Demerson et al. | Feb 1976 | |
3974179 | Demerson et al. | Aug 1976 | |
4003913 | Demerson et al. | Jan 1977 | |
4012417 | Demerson et al. | Mar 1977 | |
4070371 | Demerson et al. | Jan 1978 | |
4076831 | Demerson et al. | Feb 1978 |
Entry |
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Derwent Abstract of European Patent 5365, published 11/1979. |
Derwent Abstract of U.S. Patent 4,066,780 issued 1/1978. |
Derwent Abstract of U.S. Patent 4,066,779 issued 1/1978. |
Derwent Abstract of U.S. Patent 4,041,169 issued 8/1977. |
Derwent Abstract of U.S. Patent 4,021,451 issued 5/1977. |
Derwent Abstract of U.S. Patent 3,880,853 issued 4/1975. |
Derwent Abstract of Netherlands Patent 7,300,518, published 7/1973. |
Derwent Abstract of German Patent DE 2301525, published 7/1973. |