Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5582807 | Method and apparatus for removing particulate and gaseous pollutants from a gas stream | Mark A. Siddoway | 1996-12-10 |
| 5219208 | Scrubber for dispersing dust generated by longwall shearers | George W. Graham | 1993-06-15 |
| 5145236 | Method and apparatus for controlling dust produced by a continuous miner | George W. Graham | 1992-09-08 |
| 5039315 | Method and apparatus for separating particulates from a gas stream | George W. Graham | 1991-08-13 |