Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8189199 | Dual sample mode spectrophotometer | Charles W. Robertson, Jr., Catherine T. Williams | 2012-05-29 |
| 7623225 | Photometer with modular light emitter | Charles W. Robertson, Jr., Joel B. Hansen, Dale Lee Heintzelman, Thomas A. Tokash, Paul S. Zdinak +1 more | 2009-11-24 |