|
| US4308028 | 14 avr. 1980 | 29 déc. 1981 | | Device and method for the chemical testing and microscopic examination of liquid specimens |
| US4323536 | 6 févr. 1980 | 6 avr. 1982 | Eastman Kodak Company | Multi-analyte test device |
| US5741961 | 18 août 1993 | 21 avr. 1998 | Sandia Corporation | Quartz resonator fluid density and viscosity monitor |
| US5798452 | 25 avr. 1997 | 25 août 1998 | Sandia Corporation | Textured-surface quartz resonator fluid density and viscosity monitor |
