Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328617 | Air-assist discharge of filter press cake | Joel D. De Haan, Daniel De Haan, Gregory De Haan, David J. Spyker, David P. Mc Leod | 1994-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328617 | Air-assist discharge of filter press cake | Joel D. De Haan, Daniel De Haan, Gregory De Haan, David J. Spyker, David P. Mc Leod | 1994-07-12 |