Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308982 | Method and apparatus for comparing spectra | Juan C. Ivaldi, David H. Tracy, Richard Spragg | 1994-05-03 |
| 5303165 | Standardizing and calibrating a spectrometric instrument | Alan M. Ganz, David H. Tracy | 1994-04-12 |