Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139204 | Method for recovering hazardous waste material | Ronald C. Shawl, Francis W. Holm | 1992-08-18 |
| 4977839 | Process and apparatus for separating organic contaminants from contaminated inert materials | Edward G. Fochtman, Peter S. Daley, Milton Ader, Carl P. Swanstrom, James F. Grutsch | 1990-12-18 |
| 4864942 | Process and apparatus for separating organic contaminants from contaminated inert materials | Edward G. Fochtman, Peter S. Daley, Milton Ader, Carl P. Swanstrom | 1989-09-12 |
| 4427305 | Analyzer for distillable materials | Thorpe Dresser, Stanley Ohlswager, Lee G. Peterman | 1984-01-24 |