Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865627 | Method and apparatus for separating fine particulates from a mixture of fine particulates and gas | Thomas S. Dewitz, Louis H. Turner, III, Johannes E. G. Ploeg, Andrew M. Scott, Rudi Everts | 1989-09-12 |
| 4836146 | Controlling rapping cycle | Paul F. Russell, Egon L. Doering, Clifford C. Segerstrom, Jacob H. Stil, Gerd Harenslak | 1989-06-06 |