Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374396 | Syringe injection system for measuring non-volatile residue in solvents | David Blackford, David S. Ensor, Elizabeth A. Hill | 1994-12-20 |
| 5351523 | Apparatus and process for determining filter efficiency in removing colloidal suspensions | David Blackford, Georg Schurmann, Kevin T. Pate | 1994-10-04 |
| 5098657 | Apparatus for measuring impurity concentrations in a liquid | David Blackford, Frederic R. Quant, Gilmore J. Sem, Darrell D. Havir | 1992-03-24 |