Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055699 | Device for measuring the refractive index of a fluid, in particular intended for measuring the density of that fluid or the concentration of a substance dissolved in that fluid | Pieter M. Houpt | 1991-10-08 |
| 4889427 | Method and apparatus for detecting low concentrations of (bio) chemical components present in a test medium using surface plasmon resonance | Jacobus Johannes Frederik van Veen, Willem M. Ter Kuile, Cornelis Nicolaas van Dijk | 1989-12-26 |