Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5456022 | Batch-type sludge drier | David P. McLeod, David J. Spyker, Daniel De Haan, Wesley G. Koops, James E. Roelofs | 1995-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5456022 | Batch-type sludge drier | David P. McLeod, David J. Spyker, Daniel De Haan, Wesley G. Koops, James E. Roelofs | 1995-10-10 |