Number | Date | Country | Kind |
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P4429380.1 | Aug 1994 | DEX |
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Entry |
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Bolz, A. et al., "New Coating Materials for Artificial Heart Valves", Ima of the Twenty-First Century, Proceedings of the Annual International Conference of the IEEE Engineering in Medicine an Biology Society (Cat. No. 89CH2770-6, Seattle, WA, 9-12 Nov. 1989, Bd. 11, 1989, New York, NY, IEEE, pp. 164-166. |
Number | Date | Country | |
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Parent | 417966 | Apr 1995 |