Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321492 | Dual function readhead for a reflectance instrument | Paul S. Detwiler | 1994-06-14 |
| 5305093 | Spectrometer for conducting turbidimetric and colormetric measurements | — | 1994-04-19 |
| 5155628 | Optical transmission spectrometer | — | 1992-10-13 |
| 4890926 | Reflectance photometer | Willis E. Howard, III, Alfred Zembrod | 1990-01-02 |