Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869880 | Apparatus for the separation of solid particulates from a gaseous effluent | William P. Hettinger, Jr., Ricky L. Adkins, Billy T. Fritz, James R. Riggs, Paul W. Walters | 1989-09-26 |