Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813267 | Thermal conductivity detector | Henry W. Bullinger | 1989-03-21 |
| 4795614 | Apparatus for analysis of organic material | Richard T. Ferranti, Robert F. Culmo | 1989-01-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813267 | Thermal conductivity detector | Henry W. Bullinger | 1989-03-21 |
| 4795614 | Apparatus for analysis of organic material | Richard T. Ferranti, Robert F. Culmo | 1989-01-03 |