Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869622 | Feed hopper design | James A. Salter, James J. McCusker, Charles M. Arbore, Hendricus A. Dirkse, Gunter K. Eckstein +2 more | 1989-09-26 |
| 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, Matheus M. van Kessel, Andrew M. Scott | 1989-09-12 |