Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372497 | Process and apparatus for igniting a burner in an inert atmosphere | Dennis W. Coolidge | 1994-12-13 |
| 4913069 | Batch pyrolysis system | Thomas J. Schultz, Klaus H. Hemsath, Jay K. Shah | 1990-04-03 |