Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412714 | Apparatus for mixing, grinding, dispersing or emulsifying | A. C. Knox | 2002-07-02 |
| 5707016 | Apparatus and methods for wet grinding | — | 1998-01-13 |
| 5531385 | Apparatus and methods for wet grinding | — | 1996-07-02 |
| 4813617 | Wet grinding machine | Arthur C. Knox, Jr. | 1989-03-21 |
| 4570863 | Wet grinding machine | Arthur C. Knox, Jr., Allan E. Hokanson | 1986-02-18 |