Number | Name | Date | Kind |
---|---|---|---|
D245513 | Kopel | Aug 1977 | |
4413629 | Durley, III | Nov 1983 | |
4796632 | Boyd et al. | Jan 1989 | |
5070881 | Weiland | Dec 1991 | |
5485842 | Quistgaard | Jan 1996 |
Entry |
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Photographs of prior art transducer cases--admitted prior art. |
Advertisement for prior art Acuson MicroCase.TM. transducers--admitted prior art. |