Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351523 | Apparatus and process for determining filter efficiency in removing colloidal suspensions | David Blackford, Thomas A. Kerrick, Georg Schurmann | 1994-10-04 |
| 5223555 | Curable silicone composition containing a flurosilicone treated silica filler | Edwin R. Evans, Jerome E. Rattner, Verne G. Simpson | 1993-06-29 |
| 4529774 | Treated silica fillers and process for making same | Edwin R. Evans, Jerome E. Rattner, Verne G. Simpson | 1985-07-16 |
| 4321313 | Electrogenerative reduction of nitrogen oxides | Stanley H. Langer | 1982-03-23 |