Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5856869 | Distributed bragg reflector diode laser for Raman excitation and method for use | John B. Cooper, William T. Welch | 1999-01-05 |
| 5684580 | Hydrocarbon analysis and control by raman spectroscopy | John B. Cooper, William T. Welch | 1997-11-04 |